198934491

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 308897280

約数和(自身を除く): 109962789

約数列:

[1, 3, 7, 21, 89, 163, 267, 489, 623, 653, 1141, 1869, 1959, 3423, 4571, 13713, 14507, 43521, 58117, 101549, 106439, 174351, 304647, 319317, 406819, 745073, 1220457, 2235219, 9473071, 28419213, 66311497, 198934491]

約数ペア:

[(1, 198934491), (3, 66311497), (7, 28419213), (21, 9473071), (89, 2235219), (163, 1220457), (267, 745073), (489, 406819), (623, 319317), (653, 304647), (1141, 174351), (1869, 106439), (1959, 101549), (3423, 58117), (4571, 43521), (13713, 14507)]