65915625

素因数分解:

$3^1\times 5^5\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 46577175

約数列:

[1, 3, 5, 15, 25, 75, 79, 89, 125, 237, 267, 375, 395, 445, 625, 1185, 1335, 1875, 1975, 2225, 3125, 5925, 6675, 7031, 9375, 9875, 11125, 21093, 29625, 33375, 35155, 49375, 55625, 105465, 148125, 166875, 175775, 246875, 278125, 527325, 740625, 834375, 878875, 2636625, 4394375, 13183125, 21971875, 65915625]

約数ペア:

[(1, 65915625), (3, 21971875), (5, 13183125), (15, 4394375), (25, 2636625), (75, 878875), (79, 834375), (89, 740625), (125, 527325), (237, 278125), (267, 246875), (375, 175775), (395, 166875), (445, 148125), (625, 105465), (1185, 55625), (1335, 49375), (1875, 35155), (1975, 33375), (2225, 29625), (3125, 21093), (5925, 11125), (6675, 9875), (7031, 9375)]