221821860141

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{34861207}}^1$

素因数の和:34861321

約数の個数: 24

約数和(自身を含む): 369807694464

約数和(自身を除く): 147985834323

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 34861207, 104583621, 244028449, 313750863, 732085347, 2196256041, 3520981907, 10562945721, 24646873349, 31688837163, 73940620047, 221821860141]

約数ペア:

[(1, 221821860141), (3, 73940620047), (7, 31688837163), (9, 24646873349), (21, 10562945721), (63, 3520981907), (101, 2196256041), (303, 732085347), (707, 313750863), (909, 244028449), (2121, 104583621), (6363, 34861207)]