31309173

素因数分解:

$3^4\times 7^1\times {\mathrm{55219}}^1$

素因数の和:55238

約数の個数: 20

約数和(自身を含む): 53452960

約数和(自身を除く): 22143787

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55219, 165657, 386533, 496971, 1159599, 1490913, 3478797, 4472739, 10436391, 31309173]

約数ペア:

[(1, 31309173), (3, 10436391), (7, 4472739), (9, 3478797), (21, 1490913), (27, 1159599), (63, 496971), (81, 386533), (189, 165657), (567, 55219)]