143142725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 194368512

約数和(自身を除く): 51225787

約数列:

[1, 5, 11, 25, 55, 275, 313, 1565, 1663, 3443, 7825, 8315, 17215, 18293, 41575, 86075, 91465, 457325, 520519, 2602595, 5725709, 13012975, 28628545, 143142725]

約数ペア:

[(1, 143142725), (5, 28628545), (11, 13012975), (25, 5725709), (55, 2602595), (275, 520519), (313, 457325), (1565, 91465), (1663, 86075), (3443, 41575), (7825, 18293), (8315, 17215)]