256530105

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{467}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 493758720

約数和(自身を除く): 237228615

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 313, 351, 467, 585, 939, 1401, 1565, 1755, 2335, 2817, 4069, 4203, 4695, 6071, 7005, 8451, 12207, 12609, 14085, 18213, 20345, 21015, 30355, 36621, 42255, 54639, 61035, 63045, 91065, 109863, 146171, 163917, 183105, 273195, 438513, 549315, 730855, 819585, 1315539, 1900223, 2192565, 3946617, 5700669, 6577695, 9501115, 17102007, 19733085, 28503345, 51306021, 85510035, 256530105]

約数ペア:

[(1, 256530105), (3, 85510035), (5, 51306021), (9, 28503345), (13, 19733085), (15, 17102007), (27, 9501115), (39, 6577695), (45, 5700669), (65, 3946617), (117, 2192565), (135, 1900223), (195, 1315539), (313, 819585), (351, 730855), (467, 549315), (585, 438513), (939, 273195), (1401, 183105), (1565, 163917), (1755, 146171), (2335, 109863), (2817, 91065), (4069, 63045), (4203, 61035), (4695, 54639), (6071, 42255), (7005, 36621), (8451, 30355), (12207, 21015), (12609, 20345), (14085, 18213)]