249997485

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12503}}^1$

素因数の和:12585

約数の個数: 32

約数和(自身を含む): 422535168

約数和(自身を除く): 172537683

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 6665, 12503, 19995, 37509, 62515, 187545, 387593, 537629, 1162779, 1612887, 1937965, 2688145, 5813895, 8064435, 16666499, 49999497, 83332495, 249997485]

約数ペア:

[(1, 249997485), (3, 83332495), (5, 49999497), (15, 16666499), (31, 8064435), (43, 5813895), (93, 2688145), (129, 1937965), (155, 1612887), (215, 1162779), (465, 537629), (645, 387593), (1333, 187545), (3999, 62515), (6665, 37509), (12503, 19995)]