287631

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 20

約数和(自身を含む): 444312

約数和(自身を除く): 156681

約数列:

[1, 3, 9, 27, 53, 67, 81, 159, 201, 477, 603, 1431, 1809, 3551, 4293, 5427, 10653, 31959, 95877, 287631]

約数ペア:

[(1, 287631), (3, 95877), (9, 31959), (27, 10653), (53, 5427), (67, 4293), (81, 3551), (159, 1809), (201, 1431), (477, 603)]