641185389

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2333}}^1$

素因数の和:2393

約数の個数: 56

約数和(自身を含む): 1071446040

約数和(自身を除く): 430260651

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 351, 377, 729, 783, 1053, 1131, 2333, 2349, 3159, 3393, 6999, 7047, 9477, 10179, 20997, 21141, 30329, 30537, 62991, 67657, 90987, 91611, 188973, 202971, 272961, 274833, 566919, 608913, 818883, 879541, 1700757, 1826739, 2456649, 2638623, 5480217, 7369947, 7915869, 16440651, 22109841, 23747607, 49321953, 71242821, 213728463, 641185389]

約数ペア:

[(1, 641185389), (3, 213728463), (9, 71242821), (13, 49321953), (27, 23747607), (29, 22109841), (39, 16440651), (81, 7915869), (87, 7369947), (117, 5480217), (243, 2638623), (261, 2456649), (351, 1826739), (377, 1700757), (729, 879541), (783, 818883), (1053, 608913), (1131, 566919), (2333, 274833), (2349, 272961), (3159, 202971), (3393, 188973), (6999, 91611), (7047, 90987), (9477, 67657), (10179, 62991), (20997, 30537), (21141, 30329)]