256572375

素因数分解:

$3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{6277}}^1$

素因数の和:6404

約数の個数: 32

約数和(自身を含む): 430921920

約数和(自身を除く): 174349545

約数列:

[1, 3, 5, 15, 25, 75, 109, 125, 327, 375, 545, 1635, 2725, 6277, 8175, 13625, 18831, 31385, 40875, 94155, 156925, 470775, 684193, 784625, 2052579, 2353875, 3420965, 10262895, 17104825, 51314475, 85524125, 256572375]

約数ペア:

[(1, 256572375), (3, 85524125), (5, 51314475), (15, 17104825), (25, 10262895), (75, 3420965), (109, 2353875), (125, 2052579), (327, 784625), (375, 684193), (545, 470775), (1635, 156925), (2725, 94155), (6277, 40875), (8175, 31385), (13625, 18831)]