221117127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7307}}^1$

素因数の和:7459

約数の個数: 32

約数和(自身を含む): 370427904

約数和(自身を除く): 149310777

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 7307, 10087, 21921, 30261, 51149, 80377, 153447, 241131, 562639, 957217, 1687917, 2871651, 6700519, 10529387, 20101557, 31588161, 73705709, 221117127]

約数ペア:

[(1, 221117127), (3, 73705709), (7, 31588161), (11, 20101557), (21, 10529387), (33, 6700519), (77, 2871651), (131, 1687917), (231, 957217), (393, 562639), (917, 241131), (1441, 153447), (2751, 80377), (4323, 51149), (7307, 30261), (10087, 21921)]