71999955

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2213}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 128589120

約数和(自身を除く): 56589165

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 1205, 2169, 2213, 3615, 6507, 6639, 10845, 11065, 19917, 32535, 33195, 59751, 99585, 298755, 533333, 1599999, 2666665, 4799997, 7999995, 14399991, 23999985, 71999955]

約数ペア:

[(1, 71999955), (3, 23999985), (5, 14399991), (9, 7999995), (15, 4799997), (27, 2666665), (45, 1599999), (135, 533333), (241, 298755), (723, 99585), (1205, 59751), (2169, 33195), (2213, 32535), (3615, 19917), (6507, 11065), (6639, 10845)]