127789731

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 208617552

約数和(自身を除く): 80827821

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 103, 153, 159, 289, 309, 459, 477, 867, 901, 927, 1377, 1431, 1751, 2601, 2703, 2781, 4293, 5253, 5459, 7803, 8109, 8343, 15317, 15759, 16377, 23409, 24327, 29767, 45951, 47277, 49131, 72981, 89301, 92803, 137853, 141831, 147393, 267903, 278409, 413559, 442179, 803709, 835227, 1240677, 1577651, 2411127, 2505681, 4732953, 7517043, 14198859, 42596577, 127789731]

約数ペア:

[(1, 127789731), (3, 42596577), (9, 14198859), (17, 7517043), (27, 4732953), (51, 2505681), (53, 2411127), (81, 1577651), (103, 1240677), (153, 835227), (159, 803709), (289, 442179), (309, 413559), (459, 278409), (477, 267903), (867, 147393), (901, 141831), (927, 137853), (1377, 92803), (1431, 89301), (1751, 72981), (2601, 49131), (2703, 47277), (2781, 45951), (4293, 29767), (5253, 24327), (5459, 23409), (7803, 16377), (8109, 15759), (8343, 15317)]