223811289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 375316480

約数和(自身を除く): 151505191

約数列:

[1, 3, 9, 13, 27, 31, 39, 67, 93, 117, 201, 279, 307, 351, 403, 603, 837, 871, 921, 1209, 1809, 2077, 2613, 2763, 3627, 3991, 6231, 7839, 8289, 9517, 10881, 11973, 18693, 20569, 23517, 27001, 28551, 35919, 56079, 61707, 81003, 85653, 107757, 123721, 185121, 243009, 256959, 267397, 371163, 555363, 637639, 729027, 802191, 1113489, 1912917, 2406573, 3340467, 5738751, 7219719, 8289307, 17216253, 24867921, 74603763, 223811289]

約数ペア:

[(1, 223811289), (3, 74603763), (9, 24867921), (13, 17216253), (27, 8289307), (31, 7219719), (39, 5738751), (67, 3340467), (93, 2406573), (117, 1912917), (201, 1113489), (279, 802191), (307, 729027), (351, 637639), (403, 555363), (603, 371163), (837, 267397), (871, 256959), (921, 243009), (1209, 185121), (1809, 123721), (2077, 107757), (2613, 85653), (2763, 81003), (3627, 61707), (3991, 56079), (6231, 35919), (7839, 28551), (8289, 27001), (9517, 23517), (10881, 20569), (11973, 18693)]