11821875

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 21436128

約数和(自身を除く): 9614253

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 125, 195, 291, 325, 375, 485, 625, 975, 1261, 1455, 1625, 1875, 2425, 3125, 3783, 4875, 6305, 7275, 8125, 9375, 12125, 18915, 24375, 31525, 36375, 40625, 60625, 94575, 121875, 157625, 181875, 303125, 472875, 788125, 909375, 2364375, 3940625, 11821875]

約数ペア:

[(1, 11821875), (3, 3940625), (5, 2364375), (13, 909375), (15, 788125), (25, 472875), (39, 303125), (65, 181875), (75, 157625), (97, 121875), (125, 94575), (195, 60625), (291, 40625), (325, 36375), (375, 31525), (485, 24375), (625, 18915), (975, 12125), (1261, 9375), (1455, 8125), (1625, 7275), (1875, 6305), (2425, 4875), (3125, 3783)]