70299981

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2687}}^1$

素因数の和:2735

約数の個数: 40

約数和(自身を含む): 117089280

約数和(自身を除く): 46789299

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2687, 2907, 8061, 8721, 24183, 26163, 45679, 51053, 72549, 137037, 153159, 217647, 411111, 459477, 867901, 1233333, 1378431, 2603703, 3699999, 4135293, 7811109, 23433327, 70299981]

約数ペア:

[(1, 70299981), (3, 23433327), (9, 7811109), (17, 4135293), (19, 3699999), (27, 2603703), (51, 1378431), (57, 1233333), (81, 867901), (153, 459477), (171, 411111), (323, 217647), (459, 153159), (513, 137037), (969, 72549), (1377, 51053), (1539, 45679), (2687, 26163), (2907, 24183), (8061, 8721)]