26640225

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 49818240

約数和(自身を除く): 23178015

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 647, 675, 915, 1525, 1647, 1941, 2745, 3235, 4575, 5823, 8235, 9705, 13725, 16175, 17469, 29115, 39467, 41175, 48525, 87345, 118401, 145575, 197335, 355203, 436725, 592005, 986675, 1065609, 1776015, 2960025, 5328045, 8880075, 26640225]

約数ペア:

[(1, 26640225), (3, 8880075), (5, 5328045), (9, 2960025), (15, 1776015), (25, 1065609), (27, 986675), (45, 592005), (61, 436725), (75, 355203), (135, 197335), (183, 145575), (225, 118401), (305, 87345), (549, 48525), (647, 41175), (675, 39467), (915, 29115), (1525, 17469), (1647, 16175), (1941, 13725), (2745, 9705), (3235, 8235), (4575, 5823)]