221163915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{2063}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 405006336

約数和(自身を除く): 183842421

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1021, 2063, 3063, 5105, 6189, 7147, 10315, 14441, 15315, 21441, 30945, 35735, 43323, 72205, 107205, 216615, 2106323, 6318969, 10531615, 14744261, 31594845, 44232783, 73721305, 221163915]

約数ペア:

[(1, 221163915), (3, 73721305), (5, 44232783), (7, 31594845), (15, 14744261), (21, 10531615), (35, 6318969), (105, 2106323), (1021, 216615), (2063, 107205), (3063, 72205), (5105, 43323), (6189, 35735), (7147, 30945), (10315, 21441), (14441, 15315)]