487990167

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 800553600

約数和(自身を除く): 312563433

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 379, 399, 461, 931, 1137, 1383, 2653, 2793, 3227, 7201, 7959, 8759, 9681, 18571, 21603, 22589, 26277, 50407, 55713, 61313, 67767, 151221, 174719, 183939, 352849, 429191, 524157, 1058547, 1223033, 1287573, 3319661, 3669099, 8561231, 9958983, 23237627, 25683693, 69712881, 162663389, 487990167]

約数ペア:

[(1, 487990167), (3, 162663389), (7, 69712881), (19, 25683693), (21, 23237627), (49, 9958983), (57, 8561231), (133, 3669099), (147, 3319661), (379, 1287573), (399, 1223033), (461, 1058547), (931, 524157), (1137, 429191), (1383, 352849), (2653, 183939), (2793, 174719), (3227, 151221), (7201, 67767), (7959, 61313), (8759, 55713), (9681, 50407), (18571, 26277), (21603, 22589)]