81369324

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 217766640

約数和(自身を除く): 136397316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 337, 342, 353, 674, 684, 706, 1011, 1059, 1348, 1412, 2022, 2118, 3033, 3177, 4044, 4236, 6066, 6354, 6403, 6707, 12132, 12708, 12806, 13414, 19209, 20121, 25612, 26828, 38418, 40242, 57627, 60363, 76836, 80484, 115254, 118961, 120726, 230508, 237922, 241452, 356883, 475844, 713766, 1070649, 1427532, 2141298, 2260259, 4282596, 4520518, 6780777, 9041036, 13561554, 20342331, 27123108, 40684662, 81369324]

約数ペア:

[(1, 81369324), (2, 40684662), (3, 27123108), (4, 20342331), (6, 13561554), (9, 9041036), (12, 6780777), (18, 4520518), (19, 4282596), (36, 2260259), (38, 2141298), (57, 1427532), (76, 1070649), (114, 713766), (171, 475844), (228, 356883), (337, 241452), (342, 237922), (353, 230508), (674, 120726), (684, 118961), (706, 115254), (1011, 80484), (1059, 76836), (1348, 60363), (1412, 57627), (2022, 40242), (2118, 38418), (3033, 26828), (3177, 25612), (4044, 20121), (4236, 19209), (6066, 13414), (6354, 12806), (6403, 12708), (6707, 12132)]