287481831

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{9319}}^1$

素因数の和:9455

約数の個数: 32

約数和(自身を含む): 475991040

約数和(自身を除く): 188509209

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 791, 1469, 2373, 4407, 9319, 10283, 27957, 30849, 65233, 121147, 195699, 363441, 848029, 1053047, 2544087, 3159141, 7371329, 13689611, 22113987, 41068833, 95827277, 287481831]

約数ペア:

[(1, 287481831), (3, 95827277), (7, 41068833), (13, 22113987), (21, 13689611), (39, 7371329), (91, 3159141), (113, 2544087), (273, 1053047), (339, 848029), (791, 363441), (1469, 195699), (2373, 121147), (4407, 65233), (9319, 30849), (10283, 27957)]