87500025

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2477}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 157784172

約数和(自身を除く): 70284147

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 1413, 2355, 2477, 3925, 7065, 7431, 11775, 12385, 22293, 35325, 37155, 61925, 111465, 185775, 388889, 557325, 1166667, 1944445, 3500001, 5833335, 9722225, 17500005, 29166675, 87500025]

約数ペア:

[(1, 87500025), (3, 29166675), (5, 17500005), (9, 9722225), (15, 5833335), (25, 3500001), (45, 1944445), (75, 1166667), (157, 557325), (225, 388889), (471, 185775), (785, 111465), (1413, 61925), (2355, 37155), (2477, 35325), (3925, 22293), (7065, 12385), (7431, 11775)]