221661585

素因数分解:

$3^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{5011}}^1$

素因数の和:6005

約数の個数: 24

約数和(自身を含む): 384681024

約数和(自身を除く): 163019439

約数列:

[1, 3, 5, 9, 15, 45, 983, 2949, 4915, 5011, 8847, 14745, 15033, 25055, 44235, 45099, 75165, 225495, 4925813, 14777439, 24629065, 44332317, 73887195, 221661585]

約数ペア:

[(1, 221661585), (3, 73887195), (5, 44332317), (9, 24629065), (15, 14777439), (45, 4925813), (983, 225495), (2949, 75165), (4915, 45099), (5011, 44235), (8847, 25055), (14745, 15033)]