428505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 886464

約数和(自身を除く): 457959

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 53, 55, 77, 105, 147, 159, 165, 231, 245, 265, 371, 385, 539, 583, 735, 795, 1113, 1155, 1617, 1749, 1855, 2597, 2695, 2915, 4081, 5565, 7791, 8085, 8745, 12243, 12985, 20405, 28567, 38955, 61215, 85701, 142835, 428505]

約数ペア:

[(1, 428505), (3, 142835), (5, 85701), (7, 61215), (11, 38955), (15, 28567), (21, 20405), (33, 12985), (35, 12243), (49, 8745), (53, 8085), (55, 7791), (77, 5565), (105, 4081), (147, 2915), (159, 2695), (165, 2597), (231, 1855), (245, 1749), (265, 1617), (371, 1155), (385, 1113), (539, 795), (583, 735)]