818055

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1684800

約数和(自身を除く): 866745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 53, 63, 105, 147, 159, 245, 265, 315, 343, 371, 441, 477, 735, 795, 1029, 1113, 1715, 1855, 2205, 2385, 2597, 3087, 3339, 5145, 5565, 7791, 12985, 15435, 16695, 18179, 23373, 38955, 54537, 90895, 116865, 163611, 272685, 818055]

約数ペア:

[(1, 818055), (3, 272685), (5, 163611), (7, 116865), (9, 90895), (15, 54537), (21, 38955), (35, 23373), (45, 18179), (49, 16695), (53, 15435), (63, 12985), (105, 7791), (147, 5565), (159, 5145), (245, 3339), (265, 3087), (315, 2597), (343, 2385), (371, 2205), (441, 1855), (477, 1715), (735, 1113), (795, 1029)]