31628025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 66620736

約数和(自身を除く): 34992711

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, 975, 983, 1287, 2145, 2475, 2925, 2949, 3575, 4915, 6435, 8847, 10725, 10813, 12779, 14745, 24575, 32175, 32439, 38337, 44235, 54065, 63895, 73725, 97317, 115011, 140569, 162195, 191685, 221175, 270325, 319475, 421707, 486585, 575055, 702845, 810975, 958425, 1265121, 2108535, 2432925, 2875275, 3514225, 6325605, 10542675, 31628025]

約数ペア:

[(1, 31628025), (3, 10542675), (5, 6325605), (9, 3514225), (11, 2875275), (13, 2432925), (15, 2108535), (25, 1265121), (33, 958425), (39, 810975), (45, 702845), (55, 575055), (65, 486585), (75, 421707), (99, 319475), (117, 270325), (143, 221175), (165, 191685), (195, 162195), (225, 140569), (275, 115011), (325, 97317), (429, 73725), (495, 63895), (585, 54065), (715, 44235), (825, 38337), (975, 32439), (983, 32175), (1287, 24575), (2145, 14745), (2475, 12779), (2925, 10813), (2949, 10725), (3575, 8847), (4915, 6435)]