74724321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 120821760

約数和(自身を除く): 46097439

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 959, 1367, 2603, 2877, 4101, 7809, 9569, 18221, 25973, 28707, 54663, 77919, 181811, 187279, 545433, 561837, 1310953, 3558301, 3932859, 10674903, 24908107, 74724321]

約数ペア:

[(1, 74724321), (3, 24908107), (7, 10674903), (19, 3932859), (21, 3558301), (57, 1310953), (133, 561837), (137, 545433), (399, 187279), (411, 181811), (959, 77919), (1367, 54663), (2603, 28707), (2877, 25973), (4101, 18221), (7809, 9569)]