261738

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 601920

約数和(自身を除く): 340182

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 131, 222, 262, 333, 393, 666, 786, 999, 1179, 1998, 2358, 3537, 4847, 7074, 9694, 14541, 29082, 43623, 87246, 130869, 261738]

約数ペア:

[(1, 261738), (2, 130869), (3, 87246), (6, 43623), (9, 29082), (18, 14541), (27, 9694), (37, 7074), (54, 4847), (74, 3537), (111, 2358), (131, 1998), (222, 1179), (262, 999), (333, 786), (393, 666)]