210330687

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{4349}}^1$

素因数の和:4420

約数の個数: 32

約数和(自身を含む): 334080000

約数和(自身を除く): 123749313

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 4349, 6909, 13047, 16121, 30443, 48363, 91329, 204403, 213101, 613209, 639303, 1430821, 1491707, 4292463, 4475121, 10015747, 30047241, 70110229, 210330687]

約数ペア:

[(1, 210330687), (3, 70110229), (7, 30047241), (21, 10015747), (47, 4475121), (49, 4292463), (141, 1491707), (147, 1430821), (329, 639303), (343, 613209), (987, 213101), (1029, 204403), (2303, 91329), (4349, 48363), (6909, 30443), (13047, 16121)]