19790211

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 30745344

約数和(自身を除く): 10955133

約数列:

[1, 3, 7, 21, 79, 151, 237, 453, 553, 1057, 1659, 3171, 6241, 11929, 18723, 35787, 43687, 83503, 131061, 250509, 942391, 2827173, 6596737, 19790211]

約数ペア:

[(1, 19790211), (3, 6596737), (7, 2827173), (21, 942391), (79, 250509), (151, 131061), (237, 83503), (453, 43687), (553, 35787), (1057, 18723), (1659, 11929), (3171, 6241)]