64681245

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33427}}^1$

素因数の和:33481

約数の個数: 24

約数和(自身を含む): 114724896

約数和(自身を除く): 50043651

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 33427, 100281, 167135, 300843, 501405, 1437361, 1504215, 4312083, 7186805, 12936249, 21560415, 64681245]

約数ペア:

[(1, 64681245), (3, 21560415), (5, 12936249), (9, 7186805), (15, 4312083), (43, 1504215), (45, 1437361), (129, 501405), (215, 300843), (387, 167135), (645, 100281), (1935, 33427)]