147921921

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{10529}}^1$

素因数の和:10765

約数の個数: 24

約数和(自身を含む): 245306880

約数和(自身を除く): 97384959

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 10529, 14049, 31587, 73703, 94761, 221109, 663327, 2347967, 7043901, 16435769, 21131703, 49307307, 147921921]

約数ペア:

[(1, 147921921), (3, 49307307), (7, 21131703), (9, 16435769), (21, 7043901), (63, 2347967), (223, 663327), (669, 221109), (1561, 94761), (2007, 73703), (4683, 31587), (10529, 14049)]