31285185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 22421055

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 1553, 4029, 4659, 6715, 7765, 20145, 23295, 26401, 79203, 122687, 132005, 368061, 396015, 613435, 1840305, 2085679, 6257037, 10428395, 31285185]

約数ペア:

[(1, 31285185), (3, 10428395), (5, 6257037), (15, 2085679), (17, 1840305), (51, 613435), (79, 396015), (85, 368061), (237, 132005), (255, 122687), (395, 79203), (1185, 26401), (1343, 23295), (1553, 20145), (4029, 7765), (4659, 6715)]