71729985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 120372480

約数和(自身を除く): 48642495

約数列:

[1, 3, 5, 15, 23, 69, 115, 257, 345, 771, 809, 1285, 2427, 3855, 4045, 5911, 12135, 17733, 18607, 29555, 55821, 88665, 93035, 207913, 279105, 623739, 1039565, 3118695, 4781999, 14345997, 23909995, 71729985]

約数ペア:

[(1, 71729985), (3, 23909995), (5, 14345997), (15, 4781999), (23, 3118695), (69, 1039565), (115, 623739), (257, 279105), (345, 207913), (771, 93035), (809, 88665), (1285, 55821), (2427, 29555), (3855, 18607), (4045, 17733), (5911, 12135)]