12981353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 17584128

約数和(自身を除く): 4602775

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 211, 329, 517, 799, 1309, 1477, 2321, 3587, 3619, 5593, 8789, 9917, 16247, 25109, 39457, 61523, 69419, 109087, 168589, 276199, 763609, 1180123, 1854479, 12981353]

約数ペア:

[(1, 12981353), (7, 1854479), (11, 1180123), (17, 763609), (47, 276199), (77, 168589), (119, 109087), (187, 69419), (211, 61523), (329, 39457), (517, 25109), (799, 16247), (1309, 9917), (1477, 8789), (2321, 5593), (3587, 3619)]