13220625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 24067296

約数和(自身を除く): 10846671

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 641, 825, 1375, 1875, 1923, 3205, 4125, 6875, 7051, 9615, 16025, 20625, 21153, 35255, 48075, 80125, 105765, 176275, 240375, 400625, 528825, 881375, 1201875, 2644125, 4406875, 13220625]

約数ペア:

[(1, 13220625), (3, 4406875), (5, 2644125), (11, 1201875), (15, 881375), (25, 528825), (33, 400625), (55, 240375), (75, 176275), (125, 105765), (165, 80125), (275, 48075), (375, 35255), (625, 21153), (641, 20625), (825, 16025), (1375, 9615), (1875, 7051), (1923, 6875), (3205, 4125)]