121495591

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 28494809

約数列:

[1, 7, 23, 61, 89, 139, 161, 427, 623, 973, 1403, 2047, 3197, 5429, 8479, 9821, 12371, 14329, 22379, 38003, 59353, 86597, 124867, 195017, 284533, 754631, 874069, 1365119, 1991731, 5282417, 17356513, 121495591]

約数ペア:

[(1, 121495591), (7, 17356513), (23, 5282417), (61, 1991731), (89, 1365119), (139, 874069), (161, 754631), (427, 284533), (623, 195017), (973, 124867), (1403, 86597), (2047, 59353), (3197, 38003), (5429, 22379), (8479, 14329), (9821, 12371)]