71423901

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{887}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 108051840

約数和(自身を除く): 36627939

約数列:

[1, 3, 9, 23, 69, 207, 389, 887, 1167, 2661, 3501, 7983, 8947, 20401, 26841, 61203, 80523, 183609, 345043, 1035129, 3105387, 7935989, 23807967, 71423901]

約数ペア:

[(1, 71423901), (3, 23807967), (9, 7935989), (23, 3105387), (69, 1035129), (207, 345043), (389, 183609), (887, 80523), (1167, 61203), (2661, 26841), (3501, 20401), (7983, 8947)]