26861355

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 24425685

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 115, 123, 135, 205, 207, 211, 345, 369, 615, 621, 633, 943, 1035, 1055, 1107, 1845, 1899, 2829, 3105, 3165, 4715, 4853, 5535, 5697, 8487, 8651, 9495, 14145, 14559, 24265, 25461, 25953, 28485, 42435, 43255, 43677, 72795, 77859, 127305, 129765, 131031, 198973, 218385, 233577, 389295, 596919, 655155, 994865, 1167885, 1790757, 2984595, 5372271, 8953785, 26861355]

約数ペア:

[(1, 26861355), (3, 8953785), (5, 5372271), (9, 2984595), (15, 1790757), (23, 1167885), (27, 994865), (41, 655155), (45, 596919), (69, 389295), (115, 233577), (123, 218385), (135, 198973), (205, 131031), (207, 129765), (211, 127305), (345, 77859), (369, 72795), (615, 43677), (621, 43255), (633, 42435), (943, 28485), (1035, 25953), (1055, 25461), (1107, 24265), (1845, 14559), (1899, 14145), (2829, 9495), (3105, 8651), (3165, 8487), (4715, 5697), (4853, 5535)]