129363381

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15439}}^1$

素因数の和:15478

約数の個数: 36

約数和(自身を含む): 228820800

約数和(自身を除く): 99457419

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 15439, 46317, 108073, 138951, 293341, 324219, 756511, 880023, 972657, 2053387, 2269533, 2640069, 6160161, 6808599, 14373709, 18480483, 43121127, 129363381]

約数ペア:

[(1, 129363381), (3, 43121127), (7, 18480483), (9, 14373709), (19, 6808599), (21, 6160161), (49, 2640069), (57, 2269533), (63, 2053387), (133, 972657), (147, 880023), (171, 756511), (399, 324219), (441, 293341), (931, 138951), (1197, 108073), (2793, 46317), (8379, 15439)]