1356855

素因数分解:

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

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2313552

約数和(自身を除く): 956697

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 313, 867, 939, 1445, 1565, 4335, 4695, 5321, 15963, 26605, 79815, 90457, 271371, 452285, 1356855]

約数ペア:

[(1, 1356855), (3, 452285), (5, 271371), (15, 90457), (17, 79815), (51, 26605), (85, 15963), (255, 5321), (289, 4695), (313, 4335), (867, 1565), (939, 1445)]