621075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^2$

素因数の和:53

約数の個数: 54

約数和(自身を含む): 1293444

約数和(自身を除く): 672369

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 169, 175, 195, 245, 273, 325, 455, 507, 525, 637, 735, 845, 975, 1183, 1225, 1365, 1911, 2275, 2535, 3185, 3549, 3675, 4225, 5915, 6825, 8281, 9555, 12675, 15925, 17745, 24843, 29575, 41405, 47775, 88725, 124215, 207025, 621075]

約数ペア:

[(1, 621075), (3, 207025), (5, 124215), (7, 88725), (13, 47775), (15, 41405), (21, 29575), (25, 24843), (35, 17745), (39, 15925), (49, 12675), (65, 9555), (75, 8281), (91, 6825), (105, 5915), (147, 4225), (169, 3675), (175, 3549), (195, 3185), (245, 2535), (273, 2275), (325, 1911), (455, 1365), (507, 1225), (525, 1183), (637, 975), (735, 845)]