12751275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 22793184

約数和(自身を除く): 10041909

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 137, 219, 255, 365, 411, 425, 685, 1095, 1241, 1275, 1825, 2055, 2329, 3425, 3723, 5475, 6205, 6987, 10001, 10275, 11645, 18615, 30003, 31025, 34935, 50005, 58225, 93075, 150015, 170017, 174675, 250025, 510051, 750075, 850085, 2550255, 4250425, 12751275]

約数ペア:

[(1, 12751275), (3, 4250425), (5, 2550255), (15, 850085), (17, 750075), (25, 510051), (51, 250025), (73, 174675), (75, 170017), (85, 150015), (137, 93075), (219, 58225), (255, 50005), (365, 34935), (411, 31025), (425, 30003), (685, 18615), (1095, 11645), (1241, 10275), (1275, 10001), (1825, 6987), (2055, 6205), (2329, 5475), (3425, 3723)]