204508521

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 359334144

約数和(自身を除く): 154825623

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 257, 357, 743, 771, 1071, 1799, 2229, 2313, 4369, 5201, 5397, 6687, 12631, 13107, 15603, 16191, 30583, 37893, 39321, 46809, 88417, 91749, 113679, 190951, 265251, 275247, 572853, 795753, 1336657, 1718559, 3246167, 4009971, 9738501, 12029913, 22723169, 29215503, 68169507, 204508521]

約数ペア:

[(1, 204508521), (3, 68169507), (7, 29215503), (9, 22723169), (17, 12029913), (21, 9738501), (51, 4009971), (63, 3246167), (119, 1718559), (153, 1336657), (257, 795753), (357, 572853), (743, 275247), (771, 265251), (1071, 190951), (1799, 113679), (2229, 91749), (2313, 88417), (4369, 46809), (5201, 39321), (5397, 37893), (6687, 30583), (12631, 16191), (13107, 15603)]