207815361

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 317294208

約数和(自身を除く): 109478847

約数列:

[1, 3, 13, 17, 39, 51, 221, 307, 663, 921, 1021, 3063, 3991, 5219, 11973, 13273, 15657, 17357, 39819, 52071, 67847, 203541, 225641, 313447, 676923, 940341, 4074811, 5328599, 12224433, 15985797, 69271787, 207815361]

約数ペア:

[(1, 207815361), (3, 69271787), (13, 15985797), (17, 12224433), (39, 5328599), (51, 4074811), (221, 940341), (307, 676923), (663, 313447), (921, 225641), (1021, 203541), (3063, 67847), (3991, 52071), (5219, 39819), (11973, 17357), (13273, 15657)]