2572389

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 4214496

約数和(自身を除く): 1642107

約数列:

[1, 3, 9, 17, 23, 43, 51, 69, 129, 153, 207, 289, 387, 391, 731, 867, 989, 1173, 2193, 2601, 2967, 3519, 6579, 6647, 8901, 12427, 16813, 19941, 37281, 50439, 59823, 111843, 151317, 285821, 857463, 2572389]

約数ペア:

[(1, 2572389), (3, 857463), (9, 285821), (17, 151317), (23, 111843), (43, 59823), (51, 50439), (69, 37281), (129, 19941), (153, 16813), (207, 12427), (289, 8901), (387, 6647), (391, 6579), (731, 3519), (867, 2967), (989, 2601), (1173, 2193)]