305747757

素因数分解:

$3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{6151}}^1$

素因数の和:6430

約数の個数: 32

約数和(自身を含む): 519720960

約数和(自身を除く): 213973203

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 263, 789, 1841, 2367, 5523, 6151, 7101, 16569, 18453, 43057, 49707, 55359, 129171, 166077, 387513, 1162539, 1617713, 4853139, 11323991, 14559417, 33971973, 43678251, 101915919, 305747757]

約数ペア:

[(1, 305747757), (3, 101915919), (7, 43678251), (9, 33971973), (21, 14559417), (27, 11323991), (63, 4853139), (189, 1617713), (263, 1162539), (789, 387513), (1841, 166077), (2367, 129171), (5523, 55359), (6151, 49707), (7101, 43057), (16569, 18453)]