31394517

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 26113323

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 209, 231, 253, 311, 399, 437, 483, 627, 759, 933, 1311, 1463, 1771, 2177, 3059, 3421, 4389, 4807, 5313, 5909, 6531, 7153, 9177, 10263, 14421, 17727, 21459, 23947, 33649, 41363, 50071, 64999, 71841, 78683, 100947, 124089, 135907, 150213, 194997, 236049, 407721, 454993, 550781, 951349, 1364979, 1494977, 1652343, 2854047, 4484931, 10464839, 31394517]

約数ペア:

[(1, 31394517), (3, 10464839), (7, 4484931), (11, 2854047), (19, 1652343), (21, 1494977), (23, 1364979), (33, 951349), (57, 550781), (69, 454993), (77, 407721), (133, 236049), (161, 194997), (209, 150213), (231, 135907), (253, 124089), (311, 100947), (399, 78683), (437, 71841), (483, 64999), (627, 50071), (759, 41363), (933, 33649), (1311, 23947), (1463, 21459), (1771, 17727), (2177, 14421), (3059, 10263), (3421, 9177), (4389, 7153), (4807, 6531), (5313, 5909)]