81258045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 153031680

約数和(自身を除く): 71773635

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 59, 85, 165, 177, 187, 255, 295, 491, 561, 649, 885, 935, 1003, 1473, 1947, 2455, 2805, 3009, 3245, 5015, 5401, 7365, 8347, 9735, 11033, 15045, 16203, 25041, 27005, 28969, 33099, 41735, 55165, 81015, 86907, 91817, 125205, 144845, 165495, 275451, 318659, 434535, 459085, 492473, 955977, 1377255, 1477419, 1593295, 2462365, 4779885, 5417203, 7387095, 16251609, 27086015, 81258045]

約数ペア:

[(1, 81258045), (3, 27086015), (5, 16251609), (11, 7387095), (15, 5417203), (17, 4779885), (33, 2462365), (51, 1593295), (55, 1477419), (59, 1377255), (85, 955977), (165, 492473), (177, 459085), (187, 434535), (255, 318659), (295, 275451), (491, 165495), (561, 144845), (649, 125205), (885, 91817), (935, 86907), (1003, 81015), (1473, 55165), (1947, 41735), (2455, 33099), (2805, 28969), (3009, 27005), (3245, 25041), (5015, 16203), (5401, 15045), (7365, 11033), (8347, 9735)]