120723897

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28319}}^1$

素因数の和:28365

約数の個数: 24

約数和(自身を含む): 193708800

約数和(自身を除く): 72984903

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 28319, 84957, 198233, 594699, 821251, 1387631, 2463753, 4162893, 5748757, 17246271, 40241299, 120723897]

約数ペア:

[(1, 120723897), (3, 40241299), (7, 17246271), (21, 5748757), (29, 4162893), (49, 2463753), (87, 1387631), (147, 821251), (203, 594699), (609, 198233), (1421, 84957), (4263, 28319)]