12778125

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 9720435

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 125, 141, 145, 235, 375, 435, 625, 705, 725, 1175, 1363, 1875, 2175, 3125, 3525, 3625, 4089, 5875, 6815, 9375, 10875, 17625, 18125, 20445, 29375, 34075, 54375, 88125, 90625, 102225, 146875, 170375, 271875, 440625, 511125, 851875, 2555625, 4259375, 12778125]

約数ペア:

[(1, 12778125), (3, 4259375), (5, 2555625), (15, 851875), (25, 511125), (29, 440625), (47, 271875), (75, 170375), (87, 146875), (125, 102225), (141, 90625), (145, 88125), (235, 54375), (375, 34075), (435, 29375), (625, 20445), (705, 18125), (725, 17625), (1175, 10875), (1363, 9375), (1875, 6815), (2175, 5875), (3125, 4089), (3525, 3625)]