64220325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{65867}}^1$

素因数の和:65893

約数の個数: 24

約数和(自身を含む): 114346848

約数和(自身を除く): 50126523

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 65867, 197601, 329335, 856271, 988005, 1646675, 2568813, 4281355, 4940025, 12844065, 21406775, 64220325]

約数ペア:

[(1, 64220325), (3, 21406775), (5, 12844065), (13, 4940025), (15, 4281355), (25, 2568813), (39, 1646675), (65, 988005), (75, 856271), (195, 329335), (325, 197601), (975, 65867)]