31230255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6917}}^1$

素因数の和:6975

約数の個数: 32

約数和(自身を含む): 58443264

約数和(自身を除く): 27213009

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 6917, 20751, 34585, 48419, 103755, 145257, 242095, 297431, 726285, 892293, 1487155, 2082017, 4461465, 6246051, 10410085, 31230255]

約数ペア:

[(1, 31230255), (3, 10410085), (5, 6246051), (7, 4461465), (15, 2082017), (21, 1487155), (35, 892293), (43, 726285), (105, 297431), (129, 242095), (215, 145257), (301, 103755), (645, 48419), (903, 34585), (1505, 20751), (4515, 6917)]