128522121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6449}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 213830400

約数和(自身を除く): 85308279

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6449, 6643, 19347, 19929, 45143, 83837, 135429, 251511, 470777, 586859, 1412331, 1760577, 3295439, 6120101, 9886317, 18360303, 42840707, 128522121]

約数ペア:

[(1, 128522121), (3, 42840707), (7, 18360303), (13, 9886317), (21, 6120101), (39, 3295439), (73, 1760577), (91, 1412331), (219, 586859), (273, 470777), (511, 251511), (949, 135429), (1533, 83837), (2847, 45143), (6449, 19929), (6643, 19347)]