65154675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 111957120

約数和(自身を除く): 46802445

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 129, 215, 227, 267, 445, 645, 681, 1075, 1135, 1335, 2225, 3225, 3405, 3827, 5675, 6675, 9761, 11481, 17025, 19135, 20203, 29283, 48805, 57405, 60609, 95675, 101015, 146415, 244025, 287025, 303045, 505075, 732075, 868729, 1515225, 2606187, 4343645, 13030935, 21718225, 65154675]

約数ペア:

[(1, 65154675), (3, 21718225), (5, 13030935), (15, 4343645), (25, 2606187), (43, 1515225), (75, 868729), (89, 732075), (129, 505075), (215, 303045), (227, 287025), (267, 244025), (445, 146415), (645, 101015), (681, 95675), (1075, 60609), (1135, 57405), (1335, 48805), (2225, 29283), (3225, 20203), (3405, 19135), (3827, 17025), (5675, 11481), (6675, 9761)]