64537905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 108086400

約数和(自身を除く): 43548495

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 1335, 1667, 2581, 5001, 7743, 8335, 12905, 25005, 38715, 48343, 145029, 148363, 241715, 445089, 725145, 741815, 2225445, 4302527, 12907581, 21512635, 64537905]

約数ペア:

[(1, 64537905), (3, 21512635), (5, 12907581), (15, 4302527), (29, 2225445), (87, 741815), (89, 725145), (145, 445089), (267, 241715), (435, 148363), (445, 145029), (1335, 48343), (1667, 38715), (2581, 25005), (5001, 12905), (7743, 8335)]