131221188609

素因数分解:

$3^1\times 7^3\times {\mathrm{6329}}^1\times {\mathrm{20149}}^1$

素因数の和:26502

約数の個数: 32

約数和(自身を含む): 204079200000

約数和(自身を除く): 72858011391

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 6329, 18987, 20149, 44303, 60447, 132909, 141043, 310121, 423129, 930363, 987301, 2170847, 2961903, 6512541, 6911107, 20733321, 127523021, 382569063, 892661147, 2677983441, 6248628029, 18745884087, 43740396203, 131221188609]

約数ペア:

[(1, 131221188609), (3, 43740396203), (7, 18745884087), (21, 6248628029), (49, 2677983441), (147, 892661147), (343, 382569063), (1029, 127523021), (6329, 20733321), (18987, 6911107), (20149, 6512541), (44303, 2961903), (60447, 2170847), (132909, 987301), (141043, 930363), (310121, 423129)]