15331917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 22579200

約数和(自身を除く): 7247283

約数列:

[1, 3, 19, 47, 57, 59, 97, 141, 177, 291, 893, 1121, 1843, 2679, 2773, 3363, 4559, 5529, 5723, 8319, 13677, 17169, 52687, 86621, 108737, 158061, 259863, 268981, 326211, 806943, 5110639, 15331917]

約数ペア:

[(1, 15331917), (3, 5110639), (19, 806943), (47, 326211), (57, 268981), (59, 259863), (97, 158061), (141, 108737), (177, 86621), (291, 52687), (893, 17169), (1121, 13677), (1843, 8319), (2679, 5723), (2773, 5529), (3363, 4559)]