72990561

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{7507}}^1$

素因数の和:7980

約数の個数: 16

約数和(自身を含む): 111478784

約数和(自身を除く): 38488223

約数列:

[1, 3, 7, 21, 463, 1389, 3241, 7507, 9723, 22521, 52549, 157647, 3475741, 10427223, 24330187, 72990561]

約数ペア:

[(1, 72990561), (3, 24330187), (7, 10427223), (21, 3475741), (463, 157647), (1389, 52549), (3241, 22521), (7507, 9723)]