209936385

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10627}}^1$

素因数の和:11077

約数の個数: 24

約数和(自身を含む): 364752960

約数和(自身を除く): 154816575

約数列:

[1, 3, 5, 9, 15, 45, 439, 1317, 2195, 3951, 6585, 10627, 19755, 31881, 53135, 95643, 159405, 478215, 4665253, 13995759, 23326265, 41987277, 69978795, 209936385]

約数ペア:

[(1, 209936385), (3, 69978795), (5, 41987277), (9, 23326265), (15, 13995759), (45, 4665253), (439, 478215), (1317, 159405), (2195, 95643), (3951, 53135), (6585, 31881), (10627, 19755)]