75398145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{647}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 128210688

約数和(自身を除く): 52812543

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 457, 647, 1371, 1941, 2285, 3235, 6855, 7769, 9705, 10999, 23307, 32997, 38845, 54995, 116535, 164985, 295679, 887037, 1478395, 4435185, 5026543, 15079629, 25132715, 75398145]

約数ペア:

[(1, 75398145), (3, 25132715), (5, 15079629), (15, 5026543), (17, 4435185), (51, 1478395), (85, 887037), (255, 295679), (457, 164985), (647, 116535), (1371, 54995), (1941, 38845), (2285, 32997), (3235, 23307), (6855, 10999), (7769, 9705)]