388582065

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{55001}}^1$

素因数の和:55169

約数の個数: 24

約数和(自身を含む): 677844648

約数和(自身を除く): 289262583

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 55001, 165003, 275005, 495009, 825015, 2475045, 8635157, 25905471, 43175785, 77716413, 129527355, 388582065]

約数ペア:

[(1, 388582065), (3, 129527355), (5, 77716413), (9, 43175785), (15, 25905471), (45, 8635157), (157, 2475045), (471, 825015), (785, 495009), (1413, 275005), (2355, 165003), (7065, 55001)]