980505

素因数分解:

$3^6\times 5^1\times {\mathrm{269}}^1$

素因数の和:292

約数の個数: 28

約数和(自身を含む): 1770660

約数和(自身を除く): 790155

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 269, 405, 729, 807, 1215, 1345, 2421, 3645, 4035, 7263, 12105, 21789, 36315, 65367, 108945, 196101, 326835, 980505]

約数ペア:

[(1, 980505), (3, 326835), (5, 196101), (9, 108945), (15, 65367), (27, 36315), (45, 21789), (81, 12105), (135, 7263), (243, 4035), (269, 3645), (405, 2421), (729, 1345), (807, 1215)]