291228119

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1627}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 366358608

約数和(自身を除く): 75130489

約数列:

[1, 7, 13, 49, 91, 281, 637, 1627, 1967, 3653, 11389, 13769, 21151, 25571, 79723, 148057, 178997, 457187, 1036399, 3200309, 5943431, 22402163, 41604017, 291228119]

約数ペア:

[(1, 291228119), (7, 41604017), (13, 22402163), (49, 5943431), (91, 3200309), (281, 1036399), (637, 457187), (1627, 178997), (1967, 148057), (3653, 79723), (11389, 25571), (13769, 21151)]