220587585

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1429}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 363242880

約数和(自身を除く): 142655295

約数列:

[1, 3, 5, 15, 41, 123, 205, 251, 615, 753, 1255, 1429, 3765, 4287, 7145, 10291, 21435, 30873, 51455, 58589, 154365, 175767, 292945, 358679, 878835, 1076037, 1793395, 5380185, 14705839, 44117517, 73529195, 220587585]

約数ペア:

[(1, 220587585), (3, 73529195), (5, 44117517), (15, 14705839), (41, 5380185), (123, 1793395), (205, 1076037), (251, 878835), (615, 358679), (753, 292945), (1255, 175767), (1429, 154365), (3765, 58589), (4287, 51455), (7145, 30873), (10291, 21435)]