6745221

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 11577600

約数和(自身を除く): 4832379

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 401, 623, 801, 1203, 1869, 2403, 2807, 3609, 5607, 8421, 10827, 16821, 25263, 35689, 75789, 107067, 249823, 321201, 749469, 963603, 2248407, 6745221]

約数ペア:

[(1, 6745221), (3, 2248407), (7, 963603), (9, 749469), (21, 321201), (27, 249823), (63, 107067), (89, 75789), (189, 35689), (267, 25263), (401, 16821), (623, 10827), (801, 8421), (1203, 5607), (1869, 3609), (2403, 2807)]