220129245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{77647}}^1$

素因数の和:77671

約数の個数: 40

約数和(自身を含む): 450979584

約数和(自身を除く): 230850339

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 77647, 232941, 388235, 543529, 698823, 1164705, 1630587, 2096469, 2717645, 3494115, 4891761, 6289407, 8152935, 10482345, 14675283, 24458805, 31447035, 44025849, 73376415, 220129245]

約数ペア:

[(1, 220129245), (3, 73376415), (5, 44025849), (7, 31447035), (9, 24458805), (15, 14675283), (21, 10482345), (27, 8152935), (35, 6289407), (45, 4891761), (63, 3494115), (81, 2717645), (105, 2096469), (135, 1630587), (189, 1164705), (315, 698823), (405, 543529), (567, 388235), (945, 232941), (2835, 77647)]