28140615

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28468665

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 53, 57, 69, 81, 95, 115, 135, 159, 171, 207, 243, 265, 285, 345, 405, 437, 477, 513, 621, 795, 855, 1007, 1035, 1215, 1219, 1311, 1431, 1539, 1863, 2185, 2385, 2565, 3021, 3105, 3657, 3933, 4293, 4617, 5035, 5589, 6095, 6555, 7155, 7695, 9063, 9315, 10971, 11799, 12879, 15105, 18285, 19665, 21465, 23085, 23161, 27189, 27945, 32913, 35397, 45315, 54855, 58995, 64395, 69483, 81567, 98739, 106191, 115805, 135945, 164565, 176985, 208449, 244701, 296217, 347415, 407835, 493695, 530955, 625347, 1042245, 1223505, 1481085, 1876041, 3126735, 5628123, 9380205, 28140615]

約数ペア:

[(1, 28140615), (3, 9380205), (5, 5628123), (9, 3126735), (15, 1876041), (19, 1481085), (23, 1223505), (27, 1042245), (45, 625347), (53, 530955), (57, 493695), (69, 407835), (81, 347415), (95, 296217), (115, 244701), (135, 208449), (159, 176985), (171, 164565), (207, 135945), (243, 115805), (265, 106191), (285, 98739), (345, 81567), (405, 69483), (437, 64395), (477, 58995), (513, 54855), (621, 45315), (795, 35397), (855, 32913), (1007, 27945), (1035, 27189), (1215, 23161), (1219, 23085), (1311, 21465), (1431, 19665), (1539, 18285), (1863, 15105), (2185, 12879), (2385, 11799), (2565, 10971), (3021, 9315), (3105, 9063), (3657, 7695), (3933, 7155), (4293, 6555), (4617, 6095), (5035, 5589)]