149038421

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7717}}^1$

素因数の和:7844

約数の個数: 16

約数和(自身を含む): 177822720

約数和(自身を除く): 28784299

約数列:

[1, 7, 31, 89, 217, 623, 2759, 7717, 19313, 54019, 239227, 686813, 1674589, 4807691, 21291203, 149038421]

約数ペア:

[(1, 149038421), (7, 21291203), (31, 4807691), (89, 1674589), (217, 686813), (623, 239227), (2759, 54019), (7717, 19313)]