680336253

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 1033068960

約数和(自身を除く): 352732707

約数列:

[1, 3, 9, 27, 81, 109, 251, 307, 327, 753, 921, 981, 2259, 2763, 2943, 6777, 8289, 8829, 20331, 24867, 27359, 33463, 77057, 82077, 100389, 231171, 246231, 301167, 693513, 738693, 903501, 2080539, 2216079, 2710503, 6241617, 8399213, 25197639, 75592917, 226778751, 680336253]

約数ペア:

[(1, 680336253), (3, 226778751), (9, 75592917), (27, 25197639), (81, 8399213), (109, 6241617), (251, 2710503), (307, 2216079), (327, 2080539), (753, 903501), (921, 738693), (981, 693513), (2259, 301167), (2763, 246231), (2943, 231171), (6777, 100389), (8289, 82077), (8829, 77057), (20331, 33463), (24867, 27359)]