71231349

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 115568640

約数和(自身を除く): 44337291

約数列:

[1, 3, 7, 21, 43, 49, 59, 129, 147, 177, 191, 301, 413, 573, 903, 1239, 1337, 2107, 2537, 2891, 4011, 6321, 7611, 8213, 8673, 9359, 11269, 17759, 24639, 28077, 33807, 53277, 57491, 78883, 124313, 172473, 236649, 372939, 402437, 484567, 552181, 1207311, 1453701, 1656543, 3391969, 10175907, 23743783, 71231349]

約数ペア:

[(1, 71231349), (3, 23743783), (7, 10175907), (21, 3391969), (43, 1656543), (49, 1453701), (59, 1207311), (129, 552181), (147, 484567), (177, 402437), (191, 372939), (301, 236649), (413, 172473), (573, 124313), (903, 78883), (1239, 57491), (1337, 53277), (2107, 33807), (2537, 28077), (2891, 24639), (4011, 17759), (6321, 11269), (7611, 9359), (8213, 8673)]