25278771

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 15271629

約数列:

[1, 3, 7, 21, 23, 69, 161, 199, 263, 483, 597, 789, 1393, 1841, 4179, 4577, 5523, 6049, 13731, 18147, 32039, 42343, 52337, 96117, 127029, 157011, 366359, 1099077, 1203751, 3611253, 8426257, 25278771]

約数ペア:

[(1, 25278771), (3, 8426257), (7, 3611253), (21, 1203751), (23, 1099077), (69, 366359), (161, 157011), (199, 127029), (263, 96117), (483, 52337), (597, 42343), (789, 32039), (1393, 18147), (1841, 13731), (4179, 6049), (4577, 5523)]