12211695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 23135520

約数和(自身を除く): 10923825

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 313, 459, 765, 867, 939, 1445, 1565, 2295, 2601, 2817, 4335, 4695, 5321, 7803, 8451, 13005, 14085, 15963, 26605, 39015, 42255, 47889, 79815, 90457, 143667, 239445, 271371, 452285, 718335, 814113, 1356855, 2442339, 4070565, 12211695]

約数ペア:

[(1, 12211695), (3, 4070565), (5, 2442339), (9, 1356855), (15, 814113), (17, 718335), (27, 452285), (45, 271371), (51, 239445), (85, 143667), (135, 90457), (153, 79815), (255, 47889), (289, 42255), (313, 39015), (459, 26605), (765, 15963), (867, 14085), (939, 13005), (1445, 8451), (1565, 7803), (2295, 5321), (2601, 4695), (2817, 4335)]