81670215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1327}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 143041536

約数和(自身を除く): 61371321

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 373, 1119, 1327, 1865, 3981, 4103, 5595, 6635, 12309, 14597, 19905, 20515, 43791, 61545, 72985, 218955, 494971, 1484913, 2474855, 5444681, 7424565, 16334043, 27223405, 81670215]

約数ペア:

[(1, 81670215), (3, 27223405), (5, 16334043), (11, 7424565), (15, 5444681), (33, 2474855), (55, 1484913), (165, 494971), (373, 218955), (1119, 72985), (1327, 61545), (1865, 43791), (3981, 20515), (4103, 19905), (5595, 14597), (6635, 12309)]