679951857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 994825216

約数和(自身を除く): 314873359

約数列:

[1, 3, 13, 39, 73, 219, 241, 723, 949, 991, 2847, 2973, 3133, 9399, 12883, 17593, 38649, 52779, 72343, 217029, 228709, 238831, 686127, 716493, 940459, 2821377, 3104803, 9314409, 17434663, 52303989, 226650619, 679951857]

約数ペア:

[(1, 679951857), (3, 226650619), (13, 52303989), (39, 17434663), (73, 9314409), (219, 3104803), (241, 2821377), (723, 940459), (949, 716493), (991, 686127), (2847, 238831), (2973, 228709), (3133, 217029), (9399, 72343), (12883, 52779), (17593, 38649)]