211399401

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{3229}}^1$

素因数の和:3528

約数の個数: 16

約数和(自身を含む): 285790400

約数和(自身を除く): 74390999

約数列:

[1, 3, 139, 157, 417, 471, 3229, 9687, 21823, 65469, 448831, 506953, 1346493, 1520859, 70466467, 211399401]

約数ペア:

[(1, 211399401), (3, 70466467), (139, 1520859), (157, 1346493), (417, 506953), (471, 448831), (3229, 65469), (9687, 21823)]