12406875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 22305360

約数和(自身を除く): 9898485

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 509, 625, 975, 1527, 1625, 1875, 2545, 4875, 6617, 7635, 8125, 12725, 19851, 24375, 33085, 38175, 63625, 99255, 165425, 190875, 318125, 496275, 827125, 954375, 2481375, 4135625, 12406875]

約数ペア:

[(1, 12406875), (3, 4135625), (5, 2481375), (13, 954375), (15, 827125), (25, 496275), (39, 318125), (65, 190875), (75, 165425), (125, 99255), (195, 63625), (325, 38175), (375, 33085), (509, 24375), (625, 19851), (975, 12725), (1527, 8125), (1625, 7635), (1875, 6617), (2545, 4875)]