2187777915

素因数分解:

$3^2\times 5^1\times {\mathrm{3881}}^1\times {\mathrm{12527}}^1$

素因数の和:16419

約数の個数: 24

約数和(自身を含む): 3793428288

約数和(自身を除く): 1605650373

約数列:

[1, 3, 5, 9, 15, 45, 3881, 11643, 12527, 19405, 34929, 37581, 58215, 62635, 112743, 174645, 187905, 563715, 48617287, 145851861, 243086435, 437555583, 729259305, 2187777915]

約数ペア:

[(1, 2187777915), (3, 729259305), (5, 437555583), (9, 243086435), (15, 145851861), (45, 48617287), (3881, 563715), (11643, 187905), (12527, 174645), (19405, 112743), (34929, 62635), (37581, 58215)]