1286685

素因数分解:

$3^6\times 5^1\times {\mathrm{353}}^1$

素因数の和:376

約数の個数: 28

約数和(自身を含む): 2321532

約数和(自身を除く): 1034847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 353, 405, 729, 1059, 1215, 1765, 3177, 3645, 5295, 9531, 15885, 28593, 47655, 85779, 142965, 257337, 428895, 1286685]

約数ペア:

[(1, 1286685), (3, 428895), (5, 257337), (9, 142965), (15, 85779), (27, 47655), (45, 28593), (81, 15885), (135, 9531), (243, 5295), (353, 3645), (405, 3177), (729, 1765), (1059, 1215)]