11981529

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 20407140

約数和(自身を除く): 8425611

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 269, 303, 441, 707, 807, 909, 1883, 2121, 2421, 4949, 5649, 6363, 13181, 14847, 16947, 27169, 39543, 44541, 81507, 118629, 190183, 244521, 570549, 1331281, 1711647, 3993843, 11981529]

約数ペア:

[(1, 11981529), (3, 3993843), (7, 1711647), (9, 1331281), (21, 570549), (49, 244521), (63, 190183), (101, 118629), (147, 81507), (269, 44541), (303, 39543), (441, 27169), (707, 16947), (807, 14847), (909, 13181), (1883, 6363), (2121, 5649), (2421, 4949)]