28893915

素因数分解:

$3^6\times 5^1\times {\mathrm{7927}}^1$

素因数の和:7950

約数の個数: 28

約数和(自身を含む): 51991824

約数和(自身を除く): 23097909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7927, 23781, 39635, 71343, 118905, 214029, 356715, 642087, 1070145, 1926261, 3210435, 5778783, 9631305, 28893915]

約数ペア:

[(1, 28893915), (3, 9631305), (5, 5778783), (9, 3210435), (15, 1926261), (27, 1070145), (45, 642087), (81, 356715), (135, 214029), (243, 118905), (405, 71343), (729, 39635), (1215, 23781), (3645, 7927)]