243954291

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 384256000

約数和(自身を除く): 140301709

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 343, 553, 1029, 1659, 3001, 3871, 9003, 11613, 21007, 27097, 63021, 81291, 147049, 237079, 441147, 711237, 1029343, 1659553, 3088029, 4978659, 11616871, 34850613, 81318097, 243954291]

約数ペア:

[(1, 243954291), (3, 81318097), (7, 34850613), (21, 11616871), (49, 4978659), (79, 3088029), (147, 1659553), (237, 1029343), (343, 711237), (553, 441147), (1029, 237079), (1659, 147049), (3001, 81291), (3871, 63021), (9003, 27097), (11613, 21007)]