215497638

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{56207}}^1$

素因数の和:56289

約数の個数: 32

約数和(自身を含む): 485637120

約数和(自身を除く): 270139482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 56207, 112414, 168621, 337242, 505863, 1011726, 1517589, 3035178, 3990697, 7981394, 11972091, 23944182, 35916273, 71832546, 107748819, 215497638]

約数ペア:

[(1, 215497638), (2, 107748819), (3, 71832546), (6, 35916273), (9, 23944182), (18, 11972091), (27, 7981394), (54, 3990697), (71, 3035178), (142, 1517589), (213, 1011726), (426, 505863), (639, 337242), (1278, 168621), (1917, 112414), (3834, 56207)]