1213502493

素因数分解:

$3^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{15259}}^1$

素因数の和:15817

約数の個数: 24

約数和(自身を含む): 1885769760

約数和(自身を除く): 672267267

約数列:

[1, 3, 7, 21, 49, 147, 541, 1623, 3787, 11361, 15259, 26509, 45777, 79527, 106813, 320439, 747691, 2243073, 8255119, 24765357, 57785833, 173357499, 404500831, 1213502493]

約数ペア:

[(1, 1213502493), (3, 404500831), (7, 173357499), (21, 57785833), (49, 24765357), (147, 8255119), (541, 2243073), (1623, 747691), (3787, 320439), (11361, 106813), (15259, 79527), (26509, 45777)]