31241925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 65808288

約数和(自身を除く): 34566363

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 971, 975, 1287, 2145, 2475, 2913, 2925, 3575, 4855, 6435, 8739, 10681, 10725, 12623, 14565, 24275, 32043, 32175, 37869, 43695, 53405, 63115, 72825, 96129, 113607, 138853, 160215, 189345, 218475, 267025, 315575, 416559, 480645, 568035, 694265, 801075, 946725, 1249677, 2082795, 2403225, 2840175, 3471325, 6248385, 10413975, 31241925]

約数ペア:

[(1, 31241925), (3, 10413975), (5, 6248385), (9, 3471325), (11, 2840175), (13, 2403225), (15, 2082795), (25, 1249677), (33, 946725), (39, 801075), (45, 694265), (55, 568035), (65, 480645), (75, 416559), (99, 315575), (117, 267025), (143, 218475), (165, 189345), (195, 160215), (225, 138853), (275, 113607), (325, 96129), (429, 72825), (495, 63115), (585, 53405), (715, 43695), (825, 37869), (971, 32175), (975, 32043), (1287, 24275), (2145, 14565), (2475, 12623), (2913, 10725), (2925, 10681), (3575, 8739), (4855, 6435)]