394025985

素因数分解:

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

素因数の和:819

約数の個数: 64

約数和(自身を含む): 724838400

約数和(自身を除く): 330812415

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 103, 129, 135, 215, 309, 387, 515, 645, 659, 927, 1161, 1545, 1935, 1977, 2781, 3295, 4429, 4635, 5805, 5931, 9885, 13287, 13905, 17793, 22145, 28337, 29655, 39861, 66435, 67877, 85011, 88965, 119583, 141685, 199305, 203631, 255033, 339385, 425055, 597915, 610893, 765099, 1018155, 1275165, 1832679, 2918711, 3054465, 3825495, 8756133, 9163395, 14593555, 26268399, 43780665, 78805197, 131341995, 394025985]

約数ペア:

[(1, 394025985), (3, 131341995), (5, 78805197), (9, 43780665), (15, 26268399), (27, 14593555), (43, 9163395), (45, 8756133), (103, 3825495), (129, 3054465), (135, 2918711), (215, 1832679), (309, 1275165), (387, 1018155), (515, 765099), (645, 610893), (659, 597915), (927, 425055), (1161, 339385), (1545, 255033), (1935, 203631), (1977, 199305), (2781, 141685), (3295, 119583), (4429, 88965), (4635, 85011), (5805, 67877), (5931, 66435), (9885, 39861), (13287, 29655), (13905, 28337), (17793, 22145)]