221920005

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{178249}}^1$

素因数の和:178340

約数の個数: 16

約数和(自身を含む): 359352000

約数和(自身を除く): 137431995

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 178249, 534747, 891245, 2673735, 14794667, 44384001, 73973335, 221920005]

約数ペア:

[(1, 221920005), (3, 73973335), (5, 44384001), (15, 14794667), (83, 2673735), (249, 891245), (415, 534747), (1245, 178249)]