68863425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 118111488

約数和(自身を除く): 49248063

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 131, 163, 215, 393, 489, 645, 655, 815, 1075, 1965, 2445, 3225, 3275, 4075, 5633, 7009, 9825, 12225, 16899, 21027, 21353, 28165, 35045, 64059, 84495, 105135, 106765, 140825, 175225, 320295, 422475, 525675, 533825, 918179, 1601475, 2754537, 4590895, 13772685, 22954475, 68863425]

約数ペア:

[(1, 68863425), (3, 22954475), (5, 13772685), (15, 4590895), (25, 2754537), (43, 1601475), (75, 918179), (129, 533825), (131, 525675), (163, 422475), (215, 320295), (393, 175225), (489, 140825), (645, 106765), (655, 105135), (815, 84495), (1075, 64059), (1965, 35045), (2445, 28165), (3225, 21353), (3275, 21027), (4075, 16899), (5633, 12225), (7009, 9825)]