31397079

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2837}}^1$

素因数の和:2895

約数の個数: 32

約数和(自身を含む): 52310016

約数和(自身を除く): 20912937

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 2837, 3689, 8511, 11067, 19859, 48229, 59577, 87947, 144687, 263841, 337603, 615629, 1012809, 1495099, 1846887, 4485297, 10465693, 31397079]

約数ペア:

[(1, 31397079), (3, 10465693), (7, 4485297), (17, 1846887), (21, 1495099), (31, 1012809), (51, 615629), (93, 337603), (119, 263841), (217, 144687), (357, 87947), (527, 59577), (651, 48229), (1581, 19859), (2837, 11067), (3689, 8511)]