172051257

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{138863}}^1$

素因数の和:138932

約数の個数: 16

約数和(自身を含む): 266618880

約数和(自身を除く): 94567623

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 138863, 416589, 972041, 2916123, 8192917, 24578751, 57350419, 172051257]

約数ペア:

[(1, 172051257), (3, 57350419), (7, 24578751), (21, 8192917), (59, 2916123), (177, 972041), (413, 416589), (1239, 138863)]