521009715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 895352832

約数和(自身を除く): 374343117

約数列:

[1, 3, 5, 15, 31, 43, 71, 93, 129, 155, 213, 215, 355, 367, 465, 645, 1065, 1101, 1333, 1835, 2201, 3053, 3999, 5505, 6603, 6665, 9159, 11005, 11377, 15265, 15781, 19995, 26057, 33015, 34131, 45795, 47343, 56885, 78171, 78905, 94643, 130285, 170655, 236715, 283929, 390855, 473215, 489211, 807767, 1120451, 1419645, 1467633, 2423301, 2446055, 3361353, 4038835, 5602255, 7338165, 12116505, 16806765, 34733981, 104201943, 173669905, 521009715]

約数ペア:

[(1, 521009715), (3, 173669905), (5, 104201943), (15, 34733981), (31, 16806765), (43, 12116505), (71, 7338165), (93, 5602255), (129, 4038835), (155, 3361353), (213, 2446055), (215, 2423301), (355, 1467633), (367, 1419645), (465, 1120451), (645, 807767), (1065, 489211), (1101, 473215), (1333, 390855), (1835, 283929), (2201, 236715), (3053, 170655), (3999, 130285), (5505, 94643), (6603, 78905), (6665, 78171), (9159, 56885), (11005, 47343), (11377, 45795), (15265, 34131), (15781, 33015), (19995, 26057)]