39720747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 61378560

約数和(自身を除く): 21657813

約数列:

[1, 3, 11, 23, 33, 59, 69, 177, 253, 649, 759, 887, 1357, 1947, 2661, 4071, 9757, 14927, 20401, 29271, 44781, 52333, 61203, 156999, 224411, 575663, 673233, 1203659, 1726989, 3610977, 13240249, 39720747]

約数ペア:

[(1, 39720747), (3, 13240249), (11, 3610977), (23, 1726989), (33, 1203659), (59, 673233), (69, 575663), (177, 224411), (253, 156999), (649, 61203), (759, 52333), (887, 44781), (1357, 29271), (1947, 20401), (2661, 14927), (4071, 9757)]