31873233

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 18814767

約数列:

[1, 3, 7, 21, 29, 87, 199, 203, 263, 597, 609, 789, 1393, 1841, 4179, 5523, 5771, 7627, 17313, 22881, 40397, 52337, 53389, 121191, 157011, 160167, 366359, 1099077, 1517773, 4553319, 10624411, 31873233]

約数ペア:

[(1, 31873233), (3, 10624411), (7, 4553319), (21, 1517773), (29, 1099077), (87, 366359), (199, 160167), (203, 157011), (263, 121191), (597, 53389), (609, 52337), (789, 40397), (1393, 22881), (1841, 17313), (4179, 7627), (5523, 5771)]