64980225

素因数分解:

$3^4\times 5^2\times {\mathrm{32089}}^1$

素因数の和:32111

約数の個数: 30

約数和(自身を含む): 120369590

約数和(自身を除く): 55389365

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 32089, 96267, 160445, 288801, 481335, 802225, 866403, 1444005, 2406675, 2599209, 4332015, 7220025, 12996045, 21660075, 64980225]

約数ペア:

[(1, 64980225), (3, 21660075), (5, 12996045), (9, 7220025), (15, 4332015), (25, 2599209), (27, 2406675), (45, 1444005), (75, 866403), (81, 802225), (135, 481335), (225, 288801), (405, 160445), (675, 96267), (2025, 32089)]