131341995

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 235572480

約数和(自身を除く): 104230485

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 129, 215, 309, 387, 515, 645, 659, 927, 1545, 1935, 1977, 3295, 4429, 4635, 5931, 9885, 13287, 22145, 28337, 29655, 39861, 66435, 67877, 85011, 141685, 199305, 203631, 255033, 339385, 425055, 610893, 1018155, 1275165, 2918711, 3054465, 8756133, 14593555, 26268399, 43780665, 131341995]

約数ペア:

[(1, 131341995), (3, 43780665), (5, 26268399), (9, 14593555), (15, 8756133), (43, 3054465), (45, 2918711), (103, 1275165), (129, 1018155), (215, 610893), (309, 425055), (387, 339385), (515, 255033), (645, 203631), (659, 199305), (927, 141685), (1545, 85011), (1935, 67877), (1977, 66435), (3295, 39861), (4429, 29655), (4635, 28337), (5931, 22145), (9885, 13287)]