27981747

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 43345920

約数和(自身を除く): 15364173

約数列:

[1, 3, 9, 27, 31, 93, 101, 279, 303, 331, 837, 909, 993, 2727, 2979, 3131, 8937, 9393, 10261, 28179, 30783, 33431, 84537, 92349, 100293, 277047, 300879, 902637, 1036361, 3109083, 9327249, 27981747]

約数ペア:

[(1, 27981747), (3, 9327249), (9, 3109083), (27, 1036361), (31, 902637), (93, 300879), (101, 277047), (279, 100293), (303, 92349), (331, 84537), (837, 33431), (909, 30783), (993, 28179), (2727, 10261), (2979, 9393), (3131, 8937)]