156797823

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 285390336

約数和(自身を除く): 128592513

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 43, 57, 91, 111, 129, 133, 247, 259, 273, 301, 361, 399, 481, 559, 703, 741, 777, 817, 903, 1083, 1443, 1591, 1677, 1729, 2109, 2451, 2527, 3367, 3913, 4693, 4773, 4921, 5187, 5719, 7581, 9139, 10101, 10621, 11137, 11739, 13357, 14079, 14763, 15523, 17157, 20683, 27417, 30229, 31863, 32851, 33411, 40071, 46569, 62049, 63973, 74347, 90687, 93499, 98553, 108661, 144781, 173641, 191919, 201799, 211603, 223041, 280497, 325983, 392977, 434343, 520923, 574351, 605397, 634809, 1178931, 1215487, 1412593, 1723053, 2750839, 3646461, 4020457, 4237779, 7466563, 8252517, 12061371, 22399689, 52265941, 156797823]

約数ペア:

[(1, 156797823), (3, 52265941), (7, 22399689), (13, 12061371), (19, 8252517), (21, 7466563), (37, 4237779), (39, 4020457), (43, 3646461), (57, 2750839), (91, 1723053), (111, 1412593), (129, 1215487), (133, 1178931), (247, 634809), (259, 605397), (273, 574351), (301, 520923), (361, 434343), (399, 392977), (481, 325983), (559, 280497), (703, 223041), (741, 211603), (777, 201799), (817, 191919), (903, 173641), (1083, 144781), (1443, 108661), (1591, 98553), (1677, 93499), (1729, 90687), (2109, 74347), (2451, 63973), (2527, 62049), (3367, 46569), (3913, 40071), (4693, 33411), (4773, 32851), (4921, 31863), (5187, 30229), (5719, 27417), (7581, 20683), (9139, 17157), (10101, 15523), (10621, 14763), (11137, 14079), (11739, 13357)]