30172455

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 25178841

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 503, 645, 1333, 1395, 1509, 1935, 2515, 3999, 4527, 6665, 7545, 11997, 15593, 19995, 21629, 22635, 46779, 59985, 64887, 77965, 108145, 140337, 194661, 233895, 324435, 670499, 701685, 973305, 2011497, 3352495, 6034491, 10057485, 30172455]

約数ペア:

[(1, 30172455), (3, 10057485), (5, 6034491), (9, 3352495), (15, 2011497), (31, 973305), (43, 701685), (45, 670499), (93, 324435), (129, 233895), (155, 194661), (215, 140337), (279, 108145), (387, 77965), (465, 64887), (503, 59985), (645, 46779), (1333, 22635), (1395, 21629), (1509, 19995), (1935, 15593), (2515, 11997), (3999, 7545), (4527, 6665)]