128289123

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 207335520

約数和(自身を除く): 79046397

約数列:

[1, 3, 9, 17, 27, 41, 51, 123, 153, 289, 369, 401, 459, 697, 867, 1107, 1203, 2091, 2601, 3609, 6273, 6817, 7803, 10827, 11849, 16441, 18819, 20451, 35547, 49323, 61353, 106641, 115889, 147969, 184059, 279497, 319923, 347667, 443907, 838491, 1043001, 2515473, 3129003, 4751449, 7546419, 14254347, 42763041, 128289123]

約数ペア:

[(1, 128289123), (3, 42763041), (9, 14254347), (17, 7546419), (27, 4751449), (41, 3129003), (51, 2515473), (123, 1043001), (153, 838491), (289, 443907), (369, 347667), (401, 319923), (459, 279497), (697, 184059), (867, 147969), (1107, 115889), (1203, 106641), (2091, 61353), (2601, 49323), (3609, 35547), (6273, 20451), (6817, 18819), (7803, 16441), (10827, 11849)]