61271235

素因数分解:

$3^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 111121920

約数和(自身を除く): 49850685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 239, 243, 405, 633, 717, 1055, 1195, 1215, 1899, 2151, 3165, 3585, 5697, 6453, 9495, 10755, 17091, 19359, 28485, 32265, 50429, 51273, 58077, 85455, 96795, 151287, 252145, 256365, 290385, 453861, 756435, 1361583, 2269305, 4084749, 6807915, 12254247, 20423745, 61271235]

約数ペア:

[(1, 61271235), (3, 20423745), (5, 12254247), (9, 6807915), (15, 4084749), (27, 2269305), (45, 1361583), (81, 756435), (135, 453861), (211, 290385), (239, 256365), (243, 252145), (405, 151287), (633, 96795), (717, 85455), (1055, 58077), (1195, 51273), (1215, 50429), (1899, 32265), (2151, 28485), (3165, 19359), (3585, 17091), (5697, 10755), (6453, 9495)]