71639421

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{10369}}^1$

素因数の和:10433

約数の個数: 24

約数和(自身を含む): 113489280

約数和(自身を除く): 41849859

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 10369, 31107, 72583, 217749, 487343, 508081, 1462029, 1524243, 3411401, 10234203, 23879807, 71639421]

約数ペア:

[(1, 71639421), (3, 23879807), (7, 10234203), (21, 3411401), (47, 1524243), (49, 1462029), (141, 508081), (147, 487343), (329, 217749), (987, 72583), (2303, 31107), (6909, 10369)]