72777825

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 134842560

約数和(自身を除く): 62064735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 225, 411, 675, 685, 787, 1233, 2055, 2361, 3425, 3699, 3935, 6165, 7083, 10275, 11805, 18495, 19675, 21249, 30825, 35415, 59025, 92475, 106245, 107819, 177075, 323457, 531225, 539095, 970371, 1617285, 2695475, 2911113, 4851855, 8086425, 14555565, 24259275, 72777825]

約数ペア:

[(1, 72777825), (3, 24259275), (5, 14555565), (9, 8086425), (15, 4851855), (25, 2911113), (27, 2695475), (45, 1617285), (75, 970371), (135, 539095), (137, 531225), (225, 323457), (411, 177075), (675, 107819), (685, 106245), (787, 92475), (1233, 59025), (2055, 35415), (2361, 30825), (3425, 21249), (3699, 19675), (3935, 18495), (6165, 11805), (7083, 10275)]