1298955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 2419200

約数和(自身を除く): 1120245

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 139, 267, 417, 445, 623, 695, 973, 1335, 1869, 2085, 2919, 3115, 4865, 9345, 12371, 14595, 37113, 61855, 86597, 185565, 259791, 432985, 1298955]

約数ペア:

[(1, 1298955), (3, 432985), (5, 259791), (7, 185565), (15, 86597), (21, 61855), (35, 37113), (89, 14595), (105, 12371), (139, 9345), (267, 4865), (417, 3115), (445, 2919), (623, 2085), (695, 1869), (973, 1335)]