65808705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 108434304

約数和(自身を除く): 42625599

約数列:

[1, 3, 5, 15, 43, 129, 215, 257, 397, 645, 771, 1191, 1285, 1985, 3855, 5955, 11051, 17071, 33153, 51213, 55255, 85355, 102029, 165765, 256065, 306087, 510145, 1530435, 4387247, 13161741, 21936235, 65808705]

約数ペア:

[(1, 65808705), (3, 21936235), (5, 13161741), (15, 4387247), (43, 1530435), (129, 510145), (215, 306087), (257, 256065), (397, 165765), (645, 102029), (771, 85355), (1191, 55255), (1285, 51213), (1985, 33153), (3855, 17071), (5955, 11051)]