217468503

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37117}}^1$

素因数の和:37164

約数の個数: 32

約数和(自身を含む): 380088320

約数和(自身を除く): 162619817

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 37117, 111351, 259819, 334053, 779457, 1002159, 1150627, 2338371, 3451881, 7015113, 8054389, 10355643, 24163167, 31066929, 72489501, 217468503]

約数ペア:

[(1, 217468503), (3, 72489501), (7, 31066929), (9, 24163167), (21, 10355643), (27, 8054389), (31, 7015113), (63, 3451881), (93, 2338371), (189, 1150627), (217, 1002159), (279, 779457), (651, 334053), (837, 259819), (1953, 111351), (5859, 37117)]