30181557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 49177600

約数和(自身を除く): 18996043

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1129, 1273, 1407, 3387, 3819, 7903, 8911, 21451, 23709, 26733, 64353, 75643, 150157, 226929, 450471, 529501, 1437217, 1588503, 4311651, 10060519, 30181557]

約数ペア:

[(1, 30181557), (3, 10060519), (7, 4311651), (19, 1588503), (21, 1437217), (57, 529501), (67, 450471), (133, 226929), (201, 150157), (399, 75643), (469, 64353), (1129, 26733), (1273, 23709), (1407, 21451), (3387, 8911), (3819, 7903)]