2099475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 4539392

約数和(自身を除く): 2439917

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 43, 45, 63, 75, 93, 105, 129, 155, 175, 215, 217, 225, 279, 301, 315, 387, 465, 525, 645, 651, 775, 903, 1075, 1085, 1333, 1395, 1505, 1575, 1935, 1953, 2325, 2709, 3225, 3255, 3999, 4515, 5425, 6665, 6975, 7525, 9331, 9675, 9765, 11997, 13545, 16275, 19995, 22575, 27993, 33325, 46655, 48825, 59985, 67725, 83979, 99975, 139965, 233275, 299925, 419895, 699825, 2099475]

約数ペア:

[(1, 2099475), (3, 699825), (5, 419895), (7, 299925), (9, 233275), (15, 139965), (21, 99975), (25, 83979), (31, 67725), (35, 59985), (43, 48825), (45, 46655), (63, 33325), (75, 27993), (93, 22575), (105, 19995), (129, 16275), (155, 13545), (175, 11997), (215, 9765), (217, 9675), (225, 9331), (279, 7525), (301, 6975), (315, 6665), (387, 5425), (465, 4515), (525, 3999), (645, 3255), (651, 3225), (775, 2709), (903, 2325), (1075, 1953), (1085, 1935), (1333, 1575), (1395, 1505)]