221190705

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83311}}^1$

素因数の和:83381

約数の個数: 24

約数和(自身を含む): 389900160

約数和(自身を除く): 168709455

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 83311, 249933, 416555, 749799, 1249665, 3748995, 4915349, 14746047, 24576745, 44238141, 73730235, 221190705]

約数ペア:

[(1, 221190705), (3, 73730235), (5, 44238141), (9, 24576745), (15, 14746047), (45, 4915349), (59, 3748995), (177, 1249665), (295, 749799), (531, 416555), (885, 249933), (2655, 83311)]