30391395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 51190272

約数和(自身を除く): 20798877

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 411, 643, 685, 1929, 2055, 3151, 3215, 9453, 9645, 14789, 15755, 44367, 47265, 73945, 88091, 221835, 264273, 440455, 1321365, 2026093, 6078279, 10130465, 30391395]

約数ペア:

[(1, 30391395), (3, 10130465), (5, 6078279), (15, 2026093), (23, 1321365), (69, 440455), (115, 264273), (137, 221835), (345, 88091), (411, 73945), (643, 47265), (685, 44367), (1929, 15755), (2055, 14789), (3151, 9645), (3215, 9453)]