2054325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 4353888

約数和(自身を除く): 2299563

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 43, 49, 65, 75, 91, 105, 129, 147, 175, 195, 215, 245, 273, 301, 325, 455, 525, 559, 637, 645, 735, 903, 975, 1075, 1225, 1365, 1505, 1677, 1911, 2107, 2275, 2795, 3185, 3225, 3675, 3913, 4515, 6321, 6825, 7525, 8385, 9555, 10535, 11739, 13975, 15925, 19565, 22575, 27391, 31605, 41925, 47775, 52675, 58695, 82173, 97825, 136955, 158025, 293475, 410865, 684775, 2054325]

約数ペア:

[(1, 2054325), (3, 684775), (5, 410865), (7, 293475), (13, 158025), (15, 136955), (21, 97825), (25, 82173), (35, 58695), (39, 52675), (43, 47775), (49, 41925), (65, 31605), (75, 27391), (91, 22575), (105, 19565), (129, 15925), (147, 13975), (175, 11739), (195, 10535), (215, 9555), (245, 8385), (273, 7525), (301, 6825), (325, 6321), (455, 4515), (525, 3913), (559, 3675), (637, 3225), (645, 3185), (735, 2795), (903, 2275), (975, 2107), (1075, 1911), (1225, 1677), (1365, 1505)]