77974245

素因数分解:

$3^4\times 5^1\times {\mathrm{192529}}^1$

素因数の和:192546

約数の個数: 20

約数和(自身を含む): 139776780

約数和(自身を除く): 61802535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 192529, 577587, 962645, 1732761, 2887935, 5198283, 8663805, 15594849, 25991415, 77974245]

約数ペア:

[(1, 77974245), (3, 25991415), (5, 15594849), (9, 8663805), (15, 5198283), (27, 2887935), (45, 1732761), (81, 962645), (135, 577587), (405, 192529)]