309780786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{3727}}^1$

素因数の和:5718

約数の個数: 32

約数和(自身を含む): 708618240

約数和(自身を除く): 398837454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1979, 3727, 3958, 5937, 7454, 11181, 11874, 13853, 22362, 26089, 27706, 41559, 52178, 78267, 83118, 156534, 7375733, 14751466, 22127199, 44254398, 51630131, 103260262, 154890393, 309780786]

約数ペア:

[(1, 309780786), (2, 154890393), (3, 103260262), (6, 51630131), (7, 44254398), (14, 22127199), (21, 14751466), (42, 7375733), (1979, 156534), (3727, 83118), (3958, 78267), (5937, 52178), (7454, 41559), (11181, 27706), (11874, 26089), (13853, 22362)]