221844177

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 56

約数和(自身を含む): 353187648

約数和(自身を除く): 131343471

約数列:

[1, 3, 9, 23, 27, 69, 81, 101, 131, 207, 243, 303, 393, 621, 729, 909, 1179, 1863, 2323, 2727, 3013, 3537, 5589, 6969, 8181, 9039, 10611, 13231, 16767, 20907, 24543, 27117, 31833, 39693, 62721, 73629, 81351, 95499, 119079, 188163, 244053, 304313, 357237, 564489, 732159, 912939, 1071711, 1693467, 2196477, 2738817, 3215133, 8216451, 9645399, 24649353, 73948059, 221844177]

約数ペア:

[(1, 221844177), (3, 73948059), (9, 24649353), (23, 9645399), (27, 8216451), (69, 3215133), (81, 2738817), (101, 2196477), (131, 1693467), (207, 1071711), (243, 912939), (303, 732159), (393, 564489), (621, 357237), (729, 304313), (909, 244053), (1179, 188163), (1863, 119079), (2323, 95499), (2727, 81351), (3013, 73629), (3537, 62721), (5589, 39693), (6969, 31833), (8181, 27117), (9039, 24543), (10611, 20907), (13231, 16767)]