31601313

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 49680000

約数和(自身を除く): 18078687

約数列:

[1, 3, 9, 19, 27, 57, 171, 229, 269, 513, 687, 807, 2061, 2421, 4351, 5111, 6183, 7263, 13053, 15333, 39159, 45999, 61601, 117477, 137997, 184803, 554409, 1170419, 1663227, 3511257, 10533771, 31601313]

約数ペア:

[(1, 31601313), (3, 10533771), (9, 3511257), (19, 1663227), (27, 1170419), (57, 554409), (171, 184803), (229, 137997), (269, 117477), (513, 61601), (687, 45999), (807, 39159), (2061, 15333), (2421, 13053), (4351, 7263), (5111, 6183)]