16481367

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 30105600

約数和(自身を除く): 13624233

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 63, 87, 93, 97, 189, 203, 217, 261, 279, 291, 609, 651, 679, 783, 837, 873, 899, 1827, 1953, 2037, 2619, 2697, 2813, 3007, 5481, 5859, 6111, 6293, 8091, 8439, 9021, 18333, 18879, 19691, 21049, 24273, 25317, 27063, 56637, 59073, 63147, 75951, 81189, 87203, 169911, 177219, 189441, 261609, 531657, 568323, 610421, 784827, 1831263, 2354481, 5493789, 16481367]

約数ペア:

[(1, 16481367), (3, 5493789), (7, 2354481), (9, 1831263), (21, 784827), (27, 610421), (29, 568323), (31, 531657), (63, 261609), (87, 189441), (93, 177219), (97, 169911), (189, 87203), (203, 81189), (217, 75951), (261, 63147), (279, 59073), (291, 56637), (609, 27063), (651, 25317), (679, 24273), (783, 21049), (837, 19691), (873, 18879), (899, 18333), (1827, 9021), (1953, 8439), (2037, 8091), (2619, 6293), (2697, 6111), (2813, 5859), (3007, 5481)]