217642227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5189}}^1$

素因数の和:5275

約数の個数: 32

約数和(自身を含む): 334817280

約数和(自身を除く): 117175053

約数列:

[1, 3, 11, 31, 33, 41, 93, 123, 341, 451, 1023, 1271, 1353, 3813, 5189, 13981, 15567, 41943, 57079, 160859, 171237, 212749, 482577, 638247, 1769449, 2340239, 5308347, 6595219, 7020717, 19785657, 72547409, 217642227]

約数ペア:

[(1, 217642227), (3, 72547409), (11, 19785657), (31, 7020717), (33, 6595219), (41, 5308347), (93, 2340239), (123, 1769449), (341, 638247), (451, 482577), (1023, 212749), (1271, 171237), (1353, 160859), (3813, 57079), (5189, 41943), (13981, 15567)]