201957489

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 304515200

約数和(自身を除く): 102557711

約数列:

[1, 3, 9, 27, 109, 163, 327, 421, 489, 981, 1263, 1467, 2943, 3789, 4401, 11367, 17767, 45889, 53301, 68623, 137667, 159903, 205869, 413001, 479709, 617607, 1239003, 1852821, 7479907, 22439721, 67319163, 201957489]

約数ペア:

[(1, 201957489), (3, 67319163), (9, 22439721), (27, 7479907), (109, 1852821), (163, 1239003), (327, 617607), (421, 479709), (489, 413001), (981, 205869), (1263, 159903), (1467, 137667), (2943, 68623), (3789, 53301), (4401, 45889), (11367, 17767)]