201621749

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 253837440

約数和(自身を除く): 52215691

約数列:

[1, 7, 19, 23, 133, 161, 361, 437, 2527, 3059, 3469, 8303, 24283, 58121, 65911, 79787, 461377, 558509, 1252309, 1515953, 8766163, 10611671, 28803107, 201621749]

約数ペア:

[(1, 201621749), (7, 28803107), (19, 10611671), (23, 8766163), (133, 1515953), (161, 1252309), (361, 558509), (437, 461377), (2527, 79787), (3059, 65911), (3469, 58121), (8303, 24283)]