1988469

素因数分解:

$3^5\times 7^2\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 3485664

約数和(自身を除く): 1497195

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 167, 189, 243, 441, 501, 567, 1169, 1323, 1503, 1701, 3507, 3969, 4509, 8183, 10521, 11907, 13527, 24549, 31563, 40581, 73647, 94689, 220941, 284067, 662823, 1988469]

約数ペア:

[(1, 1988469), (3, 662823), (7, 284067), (9, 220941), (21, 94689), (27, 73647), (49, 40581), (63, 31563), (81, 24549), (147, 13527), (167, 11907), (189, 10521), (243, 8183), (441, 4509), (501, 3969), (567, 3507), (1169, 1701), (1323, 1503)]