7978995

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 13901472

約数和(自身を除く): 5922477

約数列:

[1, 3, 5, 9, 15, 45, 281, 631, 843, 1405, 1893, 2529, 3155, 4215, 5679, 9465, 12645, 28395, 177311, 531933, 886555, 1595799, 2659665, 7978995]

約数ペア:

[(1, 7978995), (3, 2659665), (5, 1595799), (9, 886555), (15, 531933), (45, 177311), (281, 28395), (631, 12645), (843, 9465), (1405, 5679), (1893, 4215), (2529, 3155)]