81925425

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1804

約数の個数: 60

約数和(自身を含む): 158442240

約数和(自身を除く): 76516815

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1759, 1863, 2025, 3105, 5175, 5277, 8795, 9315, 15525, 15831, 26385, 40457, 43975, 46575, 47493, 79155, 121371, 131925, 142479, 202285, 237465, 364113, 395775, 606855, 712395, 1011425, 1092339, 1187325, 1820565, 3034275, 3277017, 3561975, 5461695, 9102825, 16385085, 27308475, 81925425]

約数ペア:

[(1, 81925425), (3, 27308475), (5, 16385085), (9, 9102825), (15, 5461695), (23, 3561975), (25, 3277017), (27, 3034275), (45, 1820565), (69, 1187325), (75, 1092339), (81, 1011425), (115, 712395), (135, 606855), (207, 395775), (225, 364113), (345, 237465), (405, 202285), (575, 142479), (621, 131925), (675, 121371), (1035, 79155), (1725, 47493), (1759, 46575), (1863, 43975), (2025, 40457), (3105, 26385), (5175, 15831), (5277, 15525), (8795, 9315)]