12990075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 24879360

約数和(自身を除く): 11889285

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 109, 175, 227, 327, 525, 545, 681, 763, 1135, 1589, 1635, 2289, 2725, 3405, 3815, 4767, 5675, 7945, 8175, 11445, 17025, 19075, 23835, 24743, 39725, 57225, 74229, 119175, 123715, 173201, 371145, 519603, 618575, 866005, 1855725, 2598015, 4330025, 12990075]

約数ペア:

[(1, 12990075), (3, 4330025), (5, 2598015), (7, 1855725), (15, 866005), (21, 618575), (25, 519603), (35, 371145), (75, 173201), (105, 123715), (109, 119175), (175, 74229), (227, 57225), (327, 39725), (525, 24743), (545, 23835), (681, 19075), (763, 17025), (1135, 11445), (1589, 8175), (1635, 7945), (2289, 5675), (2725, 4767), (3405, 3815)]