81645048

素因数分解:

$2^3\times 3^2\times {\mathrm{1133959}}^1$

素因数の和:1133971

約数の個数: 24

約数和(自身を含む): 221122200

約数和(自身を除く): 139477152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1133959, 2267918, 3401877, 4535836, 6803754, 9071672, 10205631, 13607508, 20411262, 27215016, 40822524, 81645048]

約数ペア:

[(1, 81645048), (2, 40822524), (3, 27215016), (4, 20411262), (6, 13607508), (8, 10205631), (9, 9071672), (12, 6803754), (18, 4535836), (24, 3401877), (36, 2267918), (72, 1133959)]