28407645

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 60272640

約数和(自身を除く): 31864995

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1307, 1449, 2415, 3105, 3921, 4347, 6535, 7245, 9149, 11763, 19605, 21735, 27447, 30061, 35289, 45745, 58815, 82341, 90183, 137235, 150305, 176445, 210427, 247023, 270549, 411705, 450915, 631281, 811647, 1052135, 1235115, 1352745, 1893843, 3156405, 4058235, 5681529, 9469215, 28407645]

約数ペア:

[(1, 28407645), (3, 9469215), (5, 5681529), (7, 4058235), (9, 3156405), (15, 1893843), (21, 1352745), (23, 1235115), (27, 1052135), (35, 811647), (45, 631281), (63, 450915), (69, 411705), (105, 270549), (115, 247023), (135, 210427), (161, 176445), (189, 150305), (207, 137235), (315, 90183), (345, 82341), (483, 58815), (621, 45745), (805, 35289), (945, 30061), (1035, 27447), (1307, 21735), (1449, 19605), (2415, 11763), (3105, 9149), (3921, 7245), (4347, 6535)]