12890925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 25069824

約数和(自身を除く): 12178899

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 47, 53, 69, 75, 115, 141, 159, 207, 225, 235, 265, 345, 423, 477, 575, 705, 795, 1035, 1081, 1175, 1219, 1325, 1725, 2115, 2385, 2491, 3243, 3525, 3657, 3975, 5175, 5405, 6095, 7473, 9729, 10575, 10971, 11925, 12455, 16215, 18285, 22419, 27025, 30475, 37365, 48645, 54855, 57293, 62275, 81075, 91425, 112095, 171879, 186825, 243225, 274275, 286465, 515637, 560475, 859395, 1432325, 2578185, 4296975, 12890925]

約数ペア:

[(1, 12890925), (3, 4296975), (5, 2578185), (9, 1432325), (15, 859395), (23, 560475), (25, 515637), (45, 286465), (47, 274275), (53, 243225), (69, 186825), (75, 171879), (115, 112095), (141, 91425), (159, 81075), (207, 62275), (225, 57293), (235, 54855), (265, 48645), (345, 37365), (423, 30475), (477, 27025), (575, 22419), (705, 18285), (795, 16215), (1035, 12455), (1081, 11925), (1175, 10971), (1219, 10575), (1325, 9729), (1725, 7473), (2115, 6095), (2385, 5405), (2491, 5175), (3243, 3975), (3525, 3657)]