851445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 1866240

約数和(自身を除く): 1014795

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 53, 63, 85, 105, 119, 135, 153, 159, 189, 255, 265, 315, 357, 371, 459, 477, 595, 765, 795, 901, 945, 1071, 1113, 1431, 1785, 1855, 2295, 2385, 2703, 3213, 3339, 4505, 5355, 5565, 6307, 7155, 8109, 10017, 13515, 16065, 16695, 18921, 24327, 31535, 40545, 50085, 56763, 94605, 121635, 170289, 283815, 851445]

約数ペア:

[(1, 851445), (3, 283815), (5, 170289), (7, 121635), (9, 94605), (15, 56763), (17, 50085), (21, 40545), (27, 31535), (35, 24327), (45, 18921), (51, 16695), (53, 16065), (63, 13515), (85, 10017), (105, 8109), (119, 7155), (135, 6307), (153, 5565), (159, 5355), (189, 4505), (255, 3339), (265, 3213), (315, 2703), (357, 2385), (371, 2295), (459, 1855), (477, 1785), (595, 1431), (765, 1113), (795, 1071), (901, 945)]