25308969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 40980480

約数和(自身を除く): 15671511

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 463, 959, 1389, 2603, 2877, 3241, 7809, 8797, 9723, 18221, 26391, 54663, 61579, 63431, 184737, 190293, 444017, 1205189, 1332051, 3615567, 8436323, 25308969]

約数ペア:

[(1, 25308969), (3, 8436323), (7, 3615567), (19, 1332051), (21, 1205189), (57, 444017), (133, 190293), (137, 184737), (399, 63431), (411, 61579), (463, 54663), (959, 26391), (1389, 18221), (2603, 9723), (2877, 8797), (3241, 7809)]