231311997

素因数分解:

$3^3\times 7^3\times {\mathrm{24977}}^1$

素因数の和:25007

約数の個数: 32

約数和(自身を含む): 399648000

約数和(自身を除く): 168336003

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 24977, 74931, 174839, 224793, 524517, 674379, 1223873, 1573551, 3671619, 4720653, 8567111, 11014857, 25701333, 33044571, 77103999, 231311997]

約数ペア:

[(1, 231311997), (3, 77103999), (7, 33044571), (9, 25701333), (21, 11014857), (27, 8567111), (49, 4720653), (63, 3671619), (147, 1573551), (189, 1223873), (343, 674379), (441, 524517), (1029, 224793), (1323, 174839), (3087, 74931), (9261, 24977)]