78672645

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42641}}^1$

素因数の和:42693

約数の個数: 24

約数和(自身を含む): 139695192

約数和(自身を除く): 61022547

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 42641, 127923, 213205, 383769, 639615, 1748281, 1918845, 5244843, 8741405, 15734529, 26224215, 78672645]

約数ペア:

[(1, 78672645), (3, 26224215), (5, 15734529), (9, 8741405), (15, 5244843), (41, 1918845), (45, 1748281), (123, 639615), (205, 383769), (369, 213205), (615, 127923), (1845, 42641)]