38899575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 87137280

約数和(自身を除く): 48237705

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 31, 33, 39, 45, 55, 65, 75, 93, 99, 117, 135, 143, 155, 165, 169, 195, 225, 275, 279, 297, 325, 341, 351, 403, 429, 465, 495, 507, 585, 675, 715, 775, 825, 837, 845, 975, 1023, 1209, 1287, 1395, 1485, 1521, 1705, 1755, 1859, 2015, 2145, 2325, 2475, 2535, 2925, 3069, 3575, 3627, 3861, 4185, 4225, 4433, 4563, 5115, 5239, 5577, 6045, 6435, 6975, 7425, 7605, 8525, 8775, 9207, 9295, 10075, 10725, 10881, 12675, 13299, 15345, 15717, 16731, 18135, 19305, 20925, 22165, 22815, 25575, 26195, 27885, 30225, 32175, 38025, 39897, 46035, 46475, 47151, 50193, 54405, 57629, 66495, 76725, 78585, 83655, 90675, 96525, 110825, 114075, 119691, 130975, 139425, 141453, 172887, 199485, 230175, 235755, 250965, 272025, 288145, 332475, 392925, 418275, 518661, 598455, 707265, 864435, 997425, 1178775, 1254825, 1440725, 1555983, 2593305, 2992275, 3536325, 4322175, 7779915, 12966525, 38899575]

約数ペア:

[(1, 38899575), (3, 12966525), (5, 7779915), (9, 4322175), (11, 3536325), (13, 2992275), (15, 2593305), (25, 1555983), (27, 1440725), (31, 1254825), (33, 1178775), (39, 997425), (45, 864435), (55, 707265), (65, 598455), (75, 518661), (93, 418275), (99, 392925), (117, 332475), (135, 288145), (143, 272025), (155, 250965), (165, 235755), (169, 230175), (195, 199485), (225, 172887), (275, 141453), (279, 139425), (297, 130975), (325, 119691), (341, 114075), (351, 110825), (403, 96525), (429, 90675), (465, 83655), (495, 78585), (507, 76725), (585, 66495), (675, 57629), (715, 54405), (775, 50193), (825, 47151), (837, 46475), (845, 46035), (975, 39897), (1023, 38025), (1209, 32175), (1287, 30225), (1395, 27885), (1485, 26195), (1521, 25575), (1705, 22815), (1755, 22165), (1859, 20925), (2015, 19305), (2145, 18135), (2325, 16731), (2475, 15717), (2535, 15345), (2925, 13299), (3069, 12675), (3575, 10881), (3627, 10725), (3861, 10075), (4185, 9295), (4225, 9207), (4433, 8775), (4563, 8525), (5115, 7605), (5239, 7425), (5577, 6975), (6045, 6435)]