64906995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 107407872

約数和(自身を除く): 42500877

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 515, 645, 977, 1545, 2931, 4429, 4885, 13287, 14655, 22145, 42011, 66435, 100631, 126033, 210055, 301893, 503155, 630165, 1509465, 4327133, 12981399, 21635665, 64906995]

約数ペア:

[(1, 64906995), (3, 21635665), (5, 12981399), (15, 4327133), (43, 1509465), (103, 630165), (129, 503155), (215, 301893), (309, 210055), (515, 126033), (645, 100631), (977, 66435), (1545, 42011), (2931, 22145), (4429, 14655), (4885, 13287)]