248412213

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 458827200

約数和(自身を除く): 210414987

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 147, 161, 171, 207, 399, 437, 441, 483, 931, 1127, 1197, 1289, 1311, 1449, 2793, 3059, 3381, 3867, 3933, 8379, 9023, 9177, 10143, 11601, 21413, 24491, 27069, 27531, 29647, 63161, 64239, 73473, 81207, 88941, 171437, 189483, 192717, 207529, 220419, 266823, 514311, 563293, 568449, 622587, 1200059, 1452703, 1542933, 1689879, 1867761, 3600177, 3943051, 4358109, 5069637, 10800531, 11829153, 13074327, 27601357, 35487459, 82804071, 248412213]

約数ペア:

[(1, 248412213), (3, 82804071), (7, 35487459), (9, 27601357), (19, 13074327), (21, 11829153), (23, 10800531), (49, 5069637), (57, 4358109), (63, 3943051), (69, 3600177), (133, 1867761), (147, 1689879), (161, 1542933), (171, 1452703), (207, 1200059), (399, 622587), (437, 568449), (441, 563293), (483, 514311), (931, 266823), (1127, 220419), (1197, 207529), (1289, 192717), (1311, 189483), (1449, 171437), (2793, 88941), (3059, 81207), (3381, 73473), (3867, 64239), (3933, 63161), (8379, 29647), (9023, 27531), (9177, 27069), (10143, 24491), (11601, 21413)]