71311125

素因数分解:

$3^1\times 5^3\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 119208960

約数和(自身を除く): 47897835

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 397, 479, 1191, 1437, 1985, 2395, 5955, 7185, 9925, 11975, 29775, 35925, 49625, 59875, 148875, 179625, 190163, 570489, 950815, 2852445, 4754075, 14262225, 23770375, 71311125]

約数ペア:

[(1, 71311125), (3, 23770375), (5, 14262225), (15, 4754075), (25, 2852445), (75, 950815), (125, 570489), (375, 190163), (397, 179625), (479, 148875), (1191, 59875), (1437, 49625), (1985, 35925), (2395, 29775), (5955, 11975), (7185, 9925)]