209862015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{2351}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 367137792

約数和(自身を除く): 157275777

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 541, 1623, 2351, 2705, 5951, 7053, 8115, 11755, 17853, 25861, 29755, 35265, 77583, 89265, 129305, 387915, 1271891, 3815673, 6359455, 13990801, 19078365, 41972403, 69954005, 209862015]

約数ペア:

[(1, 209862015), (3, 69954005), (5, 41972403), (11, 19078365), (15, 13990801), (33, 6359455), (55, 3815673), (165, 1271891), (541, 387915), (1623, 129305), (2351, 89265), (2705, 77583), (5951, 35265), (7053, 29755), (8115, 25861), (11755, 17853)]