12980175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13313}}^1$

素因数の和:13339

約数の個数: 24

約数和(自身を含む): 23113104

約数和(自身を除く): 10132929

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 13313, 39939, 66565, 173069, 199695, 332825, 519207, 865345, 998475, 2596035, 4326725, 12980175]

約数ペア:

[(1, 12980175), (3, 4326725), (5, 2596035), (13, 998475), (15, 865345), (25, 519207), (39, 332825), (65, 199695), (75, 173069), (195, 66565), (325, 39939), (975, 13313)]