158878881

素因数分解:

$3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2161}}^1$

素因数の和:2566

約数の個数: 32

約数和(自身を含む): 269817600

約数和(自身を除く): 110938719

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 389, 1167, 2161, 2723, 3501, 6483, 8169, 10503, 15127, 19449, 24507, 45381, 58347, 73521, 136143, 408429, 840629, 2521887, 5884403, 7565661, 17653209, 22696983, 52959627, 158878881]

約数ペア:

[(1, 158878881), (3, 52959627), (7, 22696983), (9, 17653209), (21, 7565661), (27, 5884403), (63, 2521887), (189, 840629), (389, 408429), (1167, 136143), (2161, 73521), (2723, 58347), (3501, 45381), (6483, 24507), (8169, 19449), (10503, 15127)]