245676873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 360815616

約数和(自身を除く): 115138743

約数列:

[1, 3, 13, 39, 67, 167, 201, 501, 563, 871, 1689, 2171, 2613, 6513, 7319, 11189, 21957, 33567, 37721, 94021, 113163, 145457, 282063, 436371, 490373, 1222273, 1471119, 3666819, 6299407, 18898221, 81892291, 245676873]

約数ペア:

[(1, 245676873), (3, 81892291), (13, 18898221), (39, 6299407), (67, 3666819), (167, 1471119), (201, 1222273), (501, 490373), (563, 436371), (871, 282063), (1689, 145457), (2171, 113163), (2613, 94021), (6513, 37721), (7319, 33567), (11189, 21957)]