12989025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 27280000

約数和(自身を除く): 14290975

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 2749, 4725, 8247, 13745, 19243, 24741, 41235, 57729, 68725, 74223, 96215, 123705, 173187, 206175, 288645, 371115, 481075, 519561, 618525, 865935, 1443225, 1855575, 2597805, 4329675, 12989025]

約数ペア:

[(1, 12989025), (3, 4329675), (5, 2597805), (7, 1855575), (9, 1443225), (15, 865935), (21, 618525), (25, 519561), (27, 481075), (35, 371115), (45, 288645), (63, 206175), (75, 173187), (105, 123705), (135, 96215), (175, 74223), (189, 68725), (225, 57729), (315, 41235), (525, 24741), (675, 19243), (945, 13745), (1575, 8247), (2749, 4725)]