19631025

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 36505600

約数和(自身を除く): 16874575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 229, 381, 635, 675, 687, 1143, 1145, 1905, 2061, 3175, 3429, 3435, 5715, 5725, 6183, 9525, 10305, 17145, 17175, 28575, 29083, 30915, 51525, 85725, 87249, 145415, 154575, 261747, 436245, 727075, 785241, 1308735, 2181225, 3926205, 6543675, 19631025]

約数ペア:

[(1, 19631025), (3, 6543675), (5, 3926205), (9, 2181225), (15, 1308735), (25, 785241), (27, 727075), (45, 436245), (75, 261747), (127, 154575), (135, 145415), (225, 87249), (229, 85725), (381, 51525), (635, 30915), (675, 29083), (687, 28575), (1143, 17175), (1145, 17145), (1905, 10305), (2061, 9525), (3175, 6183), (3429, 5725), (3435, 5715)]