69391917

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 117877760

約数和(自身を除く): 48485843

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 643, 1713, 1929, 3997, 4501, 5139, 5787, 11991, 13503, 15417, 17361, 35973, 40509, 107919, 121527, 367153, 1101459, 2570071, 3304377, 7710213, 9913131, 23130639, 69391917]

約数ペア:

[(1, 69391917), (3, 23130639), (7, 9913131), (9, 7710213), (21, 3304377), (27, 2570071), (63, 1101459), (189, 367153), (571, 121527), (643, 107919), (1713, 40509), (1929, 35973), (3997, 17361), (4501, 15417), (5139, 13503), (5787, 11991)]