161778195

素因数分解:

$3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{5233}}^1$

素因数の和:5476

約数の個数: 32

約数和(自身を含む): 288916800

約数和(自身を除く): 127138605

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 229, 687, 1145, 2061, 3435, 5233, 6183, 10305, 15699, 26165, 30915, 47097, 78495, 141291, 235485, 706455, 1198357, 3595071, 5991785, 10785213, 17975355, 32355639, 53926065, 161778195]

約数ペア:

[(1, 161778195), (3, 53926065), (5, 32355639), (9, 17975355), (15, 10785213), (27, 5991785), (45, 3595071), (135, 1198357), (229, 706455), (687, 235485), (1145, 141291), (2061, 78495), (3435, 47097), (5233, 30915), (6183, 26165), (10305, 15699)]