27621775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 36604800

約数和(自身を除く): 8983025

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 1229, 4495, 6145, 22475, 30725, 35641, 38099, 178205, 190495, 891025, 952475, 1104871, 5524355, 27621775]

約数ペア:

[(1, 27621775), (5, 5524355), (25, 1104871), (29, 952475), (31, 891025), (145, 190495), (155, 178205), (725, 38099), (775, 35641), (899, 30725), (1229, 22475), (4495, 6145)]