72030147

素因数分解:

$3^1\times 7^2\times {\mathrm{490001}}^1$

素因数の和:490018

約数の個数: 12

約数和(自身を含む): 111720456

約数和(自身を除く): 39690309

約数列:

[1, 3, 7, 21, 49, 147, 490001, 1470003, 3430007, 10290021, 24010049, 72030147]

約数ペア:

[(1, 72030147), (3, 24010049), (7, 10290021), (21, 3430007), (49, 1470003), (147, 490001)]