207845313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1567}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 316108800

約数和(自身を除く): 108263487

約数列:

[1, 3, 13, 19, 39, 57, 179, 247, 537, 741, 1567, 2327, 3401, 4701, 6981, 10203, 20371, 29773, 44213, 61113, 89319, 132639, 280493, 387049, 841479, 1161147, 3646409, 5329367, 10939227, 15988101, 69281771, 207845313]

約数ペア:

[(1, 207845313), (3, 69281771), (13, 15988101), (19, 10939227), (39, 5329367), (57, 3646409), (179, 1161147), (247, 841479), (537, 387049), (741, 280493), (1567, 132639), (2327, 89319), (3401, 61113), (4701, 44213), (6981, 29773), (10203, 20371)]