73913775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 138022416

約数和(自身を除く): 64108641

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 43, 65, 75, 123, 129, 195, 205, 215, 325, 533, 559, 615, 645, 975, 1025, 1075, 1599, 1677, 1763, 1849, 2665, 2795, 3075, 3225, 5289, 5547, 7995, 8385, 8815, 9245, 13325, 13975, 22919, 24037, 26445, 27735, 39975, 41925, 44075, 46225, 68757, 72111, 75809, 114595, 120185, 132225, 138675, 227427, 343785, 360555, 379045, 572975, 600925, 985517, 1137135, 1718925, 1802775, 1895225, 2956551, 4927585, 5685675, 14782755, 24637925, 73913775]

約数ペア:

[(1, 73913775), (3, 24637925), (5, 14782755), (13, 5685675), (15, 4927585), (25, 2956551), (39, 1895225), (41, 1802775), (43, 1718925), (65, 1137135), (75, 985517), (123, 600925), (129, 572975), (195, 379045), (205, 360555), (215, 343785), (325, 227427), (533, 138675), (559, 132225), (615, 120185), (645, 114595), (975, 75809), (1025, 72111), (1075, 68757), (1599, 46225), (1677, 44075), (1763, 41925), (1849, 39975), (2665, 27735), (2795, 26445), (3075, 24037), (3225, 22919), (5289, 13975), (5547, 13325), (7995, 9245), (8385, 8815)]