2803125

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 5249664

約数和(自身を除く): 2446539

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 125, 195, 299, 325, 345, 375, 575, 625, 897, 975, 1495, 1625, 1725, 1875, 2875, 3125, 4485, 4875, 7475, 8125, 8625, 9375, 14375, 22425, 24375, 37375, 40625, 43125, 71875, 112125, 121875, 186875, 215625, 560625, 934375, 2803125]

約数ペア:

[(1, 2803125), (3, 934375), (5, 560625), (13, 215625), (15, 186875), (23, 121875), (25, 112125), (39, 71875), (65, 43125), (69, 40625), (75, 37375), (115, 24375), (125, 22425), (195, 14375), (299, 9375), (325, 8625), (345, 8125), (375, 7475), (575, 4875), (625, 4485), (897, 3125), (975, 2875), (1495, 1875), (1625, 1725)]