261625125

素因数分解:

$3^1\times 5^3\times {\mathrm{367}}^1\times {\mathrm{1901}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 436760064

約数和(自身を除く): 175134939

約数列:

[1, 3, 5, 15, 25, 75, 125, 367, 375, 1101, 1835, 1901, 5505, 5703, 9175, 9505, 27525, 28515, 45875, 47525, 137625, 142575, 237625, 697667, 712875, 2093001, 3488335, 10465005, 17441675, 52325025, 87208375, 261625125]

約数ペア:

[(1, 261625125), (3, 87208375), (5, 52325025), (15, 17441675), (25, 10465005), (75, 3488335), (125, 2093001), (367, 712875), (375, 697667), (1101, 237625), (1835, 142575), (1901, 137625), (5505, 47525), (5703, 45875), (9175, 28515), (9505, 27525)]