31303989

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1908

約数の個数: 28

約数和(自身を含む): 49001376

約数和(自身を除く): 17697387

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1863, 1867, 5589, 5601, 16767, 16803, 42941, 50409, 128823, 151227, 386469, 453681, 1159407, 1361043, 3478221, 10434663, 31303989]

約数ペア:

[(1, 31303989), (3, 10434663), (9, 3478221), (23, 1361043), (27, 1159407), (69, 453681), (81, 386469), (207, 151227), (243, 128823), (621, 50409), (729, 42941), (1863, 16803), (1867, 16767), (5589, 5601)]