12890025

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 23502960

約数和(自身を除く): 10612935

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 971, 1475, 2655, 2913, 4425, 4855, 8739, 13275, 14565, 24275, 43695, 57289, 72825, 171867, 218475, 286445, 515601, 859335, 1432225, 2578005, 4296675, 12890025]

約数ペア:

[(1, 12890025), (3, 4296675), (5, 2578005), (9, 1432225), (15, 859335), (25, 515601), (45, 286445), (59, 218475), (75, 171867), (177, 72825), (225, 57289), (295, 43695), (531, 24275), (885, 14565), (971, 13275), (1475, 8739), (2655, 4855), (2913, 4425)]