28526355

素因数分解:

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

素因数の和:90

約数の個数: 108

約数和(自身を含む): 60750144

約数和(自身を除く): 32223789

約数列:

[1, 3, 5, 9, 11, 13, 15, 31, 33, 39, 45, 55, 65, 93, 99, 117, 121, 143, 155, 165, 169, 195, 279, 341, 363, 403, 429, 465, 495, 507, 585, 605, 715, 845, 1023, 1089, 1209, 1287, 1395, 1521, 1573, 1705, 1815, 1859, 2015, 2145, 2535, 3069, 3627, 3751, 4433, 4719, 5115, 5239, 5445, 5577, 6045, 6435, 7605, 7865, 9295, 11253, 13299, 14157, 15345, 15717, 16731, 18135, 18755, 20449, 22165, 23595, 26195, 27885, 33759, 39897, 47151, 48763, 56265, 57629, 61347, 66495, 70785, 78585, 83655, 102245, 146289, 168795, 172887, 184041, 199485, 235755, 243815, 288145, 306735, 438867, 518661, 633919, 731445, 864435, 920205, 1901757, 2194335, 2593305, 3169595, 5705271, 9508785, 28526355]

約数ペア:

[(1, 28526355), (3, 9508785), (5, 5705271), (9, 3169595), (11, 2593305), (13, 2194335), (15, 1901757), (31, 920205), (33, 864435), (39, 731445), (45, 633919), (55, 518661), (65, 438867), (93, 306735), (99, 288145), (117, 243815), (121, 235755), (143, 199485), (155, 184041), (165, 172887), (169, 168795), (195, 146289), (279, 102245), (341, 83655), (363, 78585), (403, 70785), (429, 66495), (465, 61347), (495, 57629), (507, 56265), (585, 48763), (605, 47151), (715, 39897), (845, 33759), (1023, 27885), (1089, 26195), (1209, 23595), (1287, 22165), (1395, 20449), (1521, 18755), (1573, 18135), (1705, 16731), (1815, 15717), (1859, 15345), (2015, 14157), (2145, 13299), (2535, 11253), (3069, 9295), (3627, 7865), (3751, 7605), (4433, 6435), (4719, 6045), (5115, 5577), (5239, 5445)]