78857055

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 141837696

約数和(自身を除く): 62980641

約数列:

[1, 3, 5, 9, 15, 43, 45, 83, 129, 215, 249, 387, 415, 491, 645, 747, 1245, 1473, 1935, 2455, 3569, 3735, 4419, 7365, 10707, 17845, 21113, 22095, 32121, 40753, 53535, 63339, 105565, 122259, 160605, 190017, 203765, 316695, 366777, 611295, 950085, 1752379, 1833885, 5257137, 8761895, 15771411, 26285685, 78857055]

約数ペア:

[(1, 78857055), (3, 26285685), (5, 15771411), (9, 8761895), (15, 5257137), (43, 1833885), (45, 1752379), (83, 950085), (129, 611295), (215, 366777), (249, 316695), (387, 203765), (415, 190017), (491, 160605), (645, 122259), (747, 105565), (1245, 63339), (1473, 53535), (1935, 40753), (2455, 32121), (3569, 22095), (3735, 21113), (4419, 17845), (7365, 10707)]