31791105

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1433}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 60400080

約数和(自身を除く): 28608975

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1433, 1479, 2465, 4299, 4437, 7165, 7395, 12897, 21495, 22185, 24361, 41557, 64485, 73083, 121805, 124671, 207785, 219249, 365415, 374013, 623355, 706469, 1096245, 1870065, 2119407, 3532345, 6358221, 10597035, 31791105]

約数ペア:

[(1, 31791105), (3, 10597035), (5, 6358221), (9, 3532345), (15, 2119407), (17, 1870065), (29, 1096245), (45, 706469), (51, 623355), (85, 374013), (87, 365415), (145, 219249), (153, 207785), (255, 124671), (261, 121805), (435, 73083), (493, 64485), (765, 41557), (1305, 24361), (1433, 22185), (1479, 21495), (2465, 12897), (4299, 7395), (4437, 7165)]