12728325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 22766400

約数和(自身を除く): 10038075

約数列:

[1, 3, 5, 15, 17, 25, 51, 67, 75, 85, 149, 201, 255, 335, 425, 447, 745, 1005, 1139, 1275, 1675, 2235, 2533, 3417, 3725, 5025, 5695, 7599, 9983, 11175, 12665, 17085, 28475, 29949, 37995, 49915, 63325, 85425, 149745, 169711, 189975, 249575, 509133, 748725, 848555, 2545665, 4242775, 12728325]

約数ペア:

[(1, 12728325), (3, 4242775), (5, 2545665), (15, 848555), (17, 748725), (25, 509133), (51, 249575), (67, 189975), (75, 169711), (85, 149745), (149, 85425), (201, 63325), (255, 49915), (335, 37995), (425, 29949), (447, 28475), (745, 17085), (1005, 12665), (1139, 11175), (1275, 9983), (1675, 7599), (2235, 5695), (2533, 5025), (3417, 3725)]