51065625

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 40803495

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 419, 625, 975, 1257, 1625, 1875, 2095, 3125, 4875, 5447, 6285, 8125, 9375, 10475, 16341, 24375, 27235, 31425, 40625, 52375, 81705, 121875, 136175, 157125, 261875, 408525, 680875, 785625, 1309375, 2042625, 3404375, 3928125, 10213125, 17021875, 51065625]

約数ペア:

[(1, 51065625), (3, 17021875), (5, 10213125), (13, 3928125), (15, 3404375), (25, 2042625), (39, 1309375), (65, 785625), (75, 680875), (125, 408525), (195, 261875), (325, 157125), (375, 136175), (419, 121875), (625, 81705), (975, 52375), (1257, 40625), (1625, 31425), (1875, 27235), (2095, 24375), (3125, 16341), (4875, 10475), (5447, 9375), (6285, 8125)]