63186921

素因数分解:

$3^2\times 7^2\times {\mathrm{143281}}^1$

素因数の和:143301

約数の個数: 18

約数和(自身を含む): 106171962

約数和(自身を除く): 42985041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 143281, 429843, 1002967, 1289529, 3008901, 7020769, 9026703, 21062307, 63186921]

約数ペア:

[(1, 63186921), (3, 21062307), (7, 9026703), (9, 7020769), (21, 3008901), (49, 1289529), (63, 1002967), (147, 429843), (441, 143281)]