212934345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 386394624

約数和(自身を除く): 173460279

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 197, 241, 299, 345, 591, 723, 897, 985, 1205, 1495, 2561, 2955, 3133, 3615, 4485, 4531, 5543, 7683, 9399, 12805, 13593, 15665, 16629, 22655, 27715, 38415, 46995, 47477, 58903, 67965, 72059, 83145, 142431, 176709, 216177, 237385, 294515, 360295, 617201, 712155, 883545, 1080885, 1091971, 1851603, 3086005, 3275913, 5459855, 9258015, 14195623, 16379565, 42586869, 70978115, 212934345]

約数ペア:

[(1, 212934345), (3, 70978115), (5, 42586869), (13, 16379565), (15, 14195623), (23, 9258015), (39, 5459855), (65, 3275913), (69, 3086005), (115, 1851603), (195, 1091971), (197, 1080885), (241, 883545), (299, 712155), (345, 617201), (591, 360295), (723, 294515), (897, 237385), (985, 216177), (1205, 176709), (1495, 142431), (2561, 83145), (2955, 72059), (3133, 67965), (3615, 58903), (4485, 47477), (4531, 46995), (5543, 38415), (7683, 27715), (9399, 22655), (12805, 16629), (13593, 15665)]