19939888903155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{55303321}}^1$

素因数の和:55303428

約数の個数: 48

約数和(自身を含む): 35175567351456

約数和(自身を除く): 15235678448301

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 1849, 2795, 5547, 8385, 9245, 24037, 27735, 72111, 120185, 360555, 55303321, 165909963, 276516605, 718943173, 829549815, 2156829519, 2378042803, 3594715865, 7134128409, 10784147595, 11890214015, 30914556439, 35670642045, 92743669317, 102255840529, 154572782195, 306767521587, 463718346585, 511279202645, 1329325926877, 1533837607935, 3987977780631, 6646629634385, 19939888903155]

約数ペア:

[(1, 19939888903155), (3, 6646629634385), (5, 3987977780631), (13, 1533837607935), (15, 1329325926877), (39, 511279202645), (43, 463718346585), (65, 306767521587), (129, 154572782195), (195, 102255840529), (215, 92743669317), (559, 35670642045), (645, 30914556439), (1677, 11890214015), (1849, 10784147595), (2795, 7134128409), (5547, 3594715865), (8385, 2378042803), (9245, 2156829519), (24037, 829549815), (27735, 718943173), (72111, 276516605), (120185, 165909963), (360555, 55303321)]