81225684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{118751}}^1$

素因数の和:118780

約数の個数: 36

約数和(自身を含む): 216128640

約数和(自身を除く): 134902956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 118751, 237502, 356253, 475004, 712506, 1068759, 1425012, 2137518, 2256269, 4275036, 4512538, 6768807, 9025076, 13537614, 20306421, 27075228, 40612842, 81225684]

約数ペア:

[(1, 81225684), (2, 40612842), (3, 27075228), (4, 20306421), (6, 13537614), (9, 9025076), (12, 6768807), (18, 4512538), (19, 4275036), (36, 2256269), (38, 2137518), (57, 1425012), (76, 1068759), (114, 712506), (171, 475004), (228, 356253), (342, 237502), (684, 118751)]