164428641

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 287075880

約数和(自身を除く): 122647239

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 229, 247, 323, 361, 663, 687, 741, 969, 1083, 1989, 2061, 2223, 2907, 2977, 3249, 3893, 4199, 4351, 4693, 6137, 8931, 11679, 12597, 13053, 14079, 18411, 26793, 35037, 37791, 39159, 42237, 50609, 55233, 56563, 73967, 79781, 82669, 151827, 169689, 221901, 239343, 248007, 455481, 509067, 665703, 718029, 744021, 961571, 1074697, 1405373, 2884713, 3224091, 4216119, 8654139, 9672273, 12648357, 18269849, 54809547, 164428641]

約数ペア:

[(1, 164428641), (3, 54809547), (9, 18269849), (13, 12648357), (17, 9672273), (19, 8654139), (39, 4216119), (51, 3224091), (57, 2884713), (117, 1405373), (153, 1074697), (171, 961571), (221, 744021), (229, 718029), (247, 665703), (323, 509067), (361, 455481), (663, 248007), (687, 239343), (741, 221901), (969, 169689), (1083, 151827), (1989, 82669), (2061, 79781), (2223, 73967), (2907, 56563), (2977, 55233), (3249, 50609), (3893, 42237), (4199, 39159), (4351, 37791), (4693, 35037), (6137, 26793), (8931, 18411), (11679, 14079), (12597, 13053)]