71219211

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{42929}}^1$

素因数の和:43018

約数の個数: 16

約数和(自身を含む): 109900800

約数和(自身を除く): 38681589

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 42929, 128787, 300503, 901509, 3391391, 10174173, 23739737, 71219211]

約数ペア:

[(1, 71219211), (3, 23739737), (7, 10174173), (21, 3391391), (79, 901509), (237, 300503), (553, 128787), (1659, 42929)]