680777745

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 1099628544

約数和(自身を除く): 418850799

約数列:

[1, 3, 5, 15, 223, 271, 669, 751, 813, 1115, 1355, 2253, 3345, 3755, 4065, 11265, 60433, 167473, 181299, 203521, 302165, 502419, 610563, 837365, 906495, 1017605, 2512095, 3052815, 45385183, 136155549, 226925915, 680777745]

約数ペア:

[(1, 680777745), (3, 226925915), (5, 136155549), (15, 45385183), (223, 3052815), (271, 2512095), (669, 1017605), (751, 906495), (813, 837365), (1115, 610563), (1355, 502419), (2253, 302165), (3345, 203521), (3755, 181299), (4065, 167473), (11265, 60433)]