211327557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 353894400

約数和(自身を除く): 142566843

約数列:

[1, 3, 7, 19, 21, 47, 57, 59, 133, 141, 177, 191, 329, 399, 413, 573, 893, 987, 1121, 1239, 1337, 2679, 2773, 3363, 3629, 4011, 6251, 7847, 8319, 8977, 10887, 11269, 18753, 19411, 23541, 25403, 26931, 33807, 52687, 58233, 62839, 76209, 78883, 158061, 170563, 188517, 214111, 236649, 368809, 511689, 529643, 642333, 1106427, 1193941, 1498777, 1588929, 3581823, 3707501, 4496331, 10063217, 11122503, 30189651, 70442519, 211327557]

約数ペア:

[(1, 211327557), (3, 70442519), (7, 30189651), (19, 11122503), (21, 10063217), (47, 4496331), (57, 3707501), (59, 3581823), (133, 1588929), (141, 1498777), (177, 1193941), (191, 1106427), (329, 642333), (399, 529643), (413, 511689), (573, 368809), (893, 236649), (987, 214111), (1121, 188517), (1239, 170563), (1337, 158061), (2679, 78883), (2773, 76209), (3363, 62839), (3629, 58233), (4011, 52687), (6251, 33807), (7847, 26931), (8319, 25403), (8977, 23541), (10887, 19411), (11269, 18753)]