6945237

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 11343360

約数和(自身を除く): 4398123

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 421, 423, 611, 1263, 1269, 1833, 3789, 5473, 5499, 11367, 16419, 16497, 19787, 49257, 59361, 147771, 178083, 257231, 534249, 771693, 2315079, 6945237]

約数ペア:

[(1, 6945237), (3, 2315079), (9, 771693), (13, 534249), (27, 257231), (39, 178083), (47, 147771), (117, 59361), (141, 49257), (351, 19787), (421, 16497), (423, 16419), (611, 11367), (1263, 5499), (1269, 5473), (1833, 3789)]