78232005

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2687}}^1$

素因数の和:3345

約数の個数: 24

約数和(自身を含む): 135862272

約数和(自身を除く): 57630267

約数列:

[1, 3, 5, 9, 15, 45, 647, 1941, 2687, 3235, 5823, 8061, 9705, 13435, 24183, 29115, 40305, 120915, 1738489, 5215467, 8692445, 15646401, 26077335, 78232005]

約数ペア:

[(1, 78232005), (3, 26077335), (5, 15646401), (9, 8692445), (15, 5215467), (45, 1738489), (647, 120915), (1941, 40305), (2687, 29115), (3235, 24183), (5823, 13435), (8061, 9705)]