6891213

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 11065600

約数和(自身を除く): 4174387

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 181, 259, 343, 543, 777, 1029, 1267, 1813, 3801, 5439, 6697, 8869, 12691, 20091, 26607, 38073, 46879, 62083, 140637, 186249, 328153, 984459, 2297071, 6891213]

約数ペア:

[(1, 6891213), (3, 2297071), (7, 984459), (21, 328153), (37, 186249), (49, 140637), (111, 62083), (147, 46879), (181, 38073), (259, 26607), (343, 20091), (543, 12691), (777, 8869), (1029, 6697), (1267, 5439), (1813, 3801)]