23478255

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 40

約数和(自身を含む): 43560000

約数和(自身を除く): 20081745

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1999, 2349, 3915, 5997, 9995, 11745, 17991, 29985, 53973, 57971, 89955, 161919, 173913, 269865, 289855, 521739, 809595, 869565, 1565217, 2608695, 4695651, 7826085, 23478255]

約数ペア:

[(1, 23478255), (3, 7826085), (5, 4695651), (9, 2608695), (15, 1565217), (27, 869565), (29, 809595), (45, 521739), (81, 289855), (87, 269865), (135, 173913), (145, 161919), (261, 89955), (405, 57971), (435, 53973), (783, 29985), (1305, 17991), (1999, 11745), (2349, 9995), (3915, 5997)]