78356481

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5821}}^1$

素因数の和:6472

約数の個数: 16

約数和(自身を含む): 119607168

約数和(自身を除く): 41250687

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 5821, 13461, 17463, 40747, 122241, 3731261, 11193783, 26118827, 78356481]

約数ペア:

[(1, 78356481), (3, 26118827), (7, 11193783), (21, 3731261), (641, 122241), (1923, 40747), (4487, 17463), (5821, 13461)]