20153127729

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2586719}}^1$

素因数の和:2586789

約数の個数: 24

約数和(自身を含む): 31847696640

約数和(自身を除く): 11694568911

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 2586719, 7760157, 18107033, 54321099, 126749231, 137096107, 380247693, 411288321, 959672749, 2879018247, 6717709243, 20153127729]

約数ペア:

[(1, 20153127729), (3, 6717709243), (7, 2879018247), (21, 959672749), (49, 411288321), (53, 380247693), (147, 137096107), (159, 126749231), (371, 54321099), (1113, 18107033), (2597, 7760157), (7791, 2586719)]