51247521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2447}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 80196480

約数和(自身を除く): 28948959

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 1611, 2327, 2447, 6981, 7341, 20943, 22023, 31811, 95433, 286299, 438013, 1314039, 3942117, 5694169, 17082507, 51247521]

約数ペア:

[(1, 51247521), (3, 17082507), (9, 5694169), (13, 3942117), (39, 1314039), (117, 438013), (179, 286299), (537, 95433), (1611, 31811), (2327, 22023), (2447, 20943), (6981, 7341)]