13220193

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 21307392

約数和(自身を除く): 8087199

約数列:

[1, 3, 7, 21, 23, 69, 101, 161, 271, 303, 483, 707, 813, 1897, 2121, 2323, 5691, 6233, 6969, 16261, 18699, 27371, 43631, 48783, 82113, 130893, 191597, 574791, 629533, 1888599, 4406731, 13220193]

約数ペア:

[(1, 13220193), (3, 4406731), (7, 1888599), (21, 629533), (23, 574791), (69, 191597), (101, 130893), (161, 82113), (271, 48783), (303, 43631), (483, 27371), (707, 18699), (813, 16261), (1897, 6969), (2121, 6233), (2323, 5691)]