1978251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 2903808

約数和(自身を除く): 925557

約数列:

[1, 3, 11, 33, 151, 397, 453, 1191, 1661, 4367, 4983, 13101, 59947, 179841, 659417, 1978251]

約数ペア:

[(1, 1978251), (3, 659417), (11, 179841), (33, 59947), (151, 13101), (397, 4983), (453, 4367), (1191, 1661)]