51757245

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 97689600

約数和(自身を除く): 45932355

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 115, 135, 207, 211, 237, 345, 395, 621, 633, 711, 1035, 1055, 1185, 1817, 1899, 2133, 3105, 3165, 3555, 4853, 5451, 5697, 9085, 9495, 10665, 14559, 16353, 16669, 24265, 27255, 28485, 43677, 49059, 50007, 72795, 81765, 83345, 131031, 150021, 218385, 245295, 250035, 383387, 450063, 655155, 750105, 1150161, 1916935, 2250315, 3450483, 5750805, 10351449, 17252415, 51757245]

約数ペア:

[(1, 51757245), (3, 17252415), (5, 10351449), (9, 5750805), (15, 3450483), (23, 2250315), (27, 1916935), (45, 1150161), (69, 750105), (79, 655155), (115, 450063), (135, 383387), (207, 250035), (211, 245295), (237, 218385), (345, 150021), (395, 131031), (621, 83345), (633, 81765), (711, 72795), (1035, 50007), (1055, 49059), (1185, 43677), (1817, 28485), (1899, 27255), (2133, 24265), (3105, 16669), (3165, 16353), (3555, 14559), (4853, 10665), (5451, 9495), (5697, 9085)]