648718707

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{11941}}^1$

素因数の和:12163

約数の個数: 32

約数和(自身を含む): 1070003200

約数和(自身を除く): 421284493

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1393, 2587, 4179, 7761, 11941, 18109, 35823, 54327, 83587, 155233, 250761, 465699, 1086631, 2376259, 3259893, 7128777, 16633813, 30891367, 49901439, 92674101, 216239569, 648718707]

約数ペア:

[(1, 648718707), (3, 216239569), (7, 92674101), (13, 49901439), (21, 30891367), (39, 16633813), (91, 7128777), (199, 3259893), (273, 2376259), (597, 1086631), (1393, 465699), (2587, 250761), (4179, 155233), (7761, 83587), (11941, 54327), (18109, 35823)]