15308215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5538

約数の個数: 16

約数和(自身を含む): 20246688

約数和(自身を除く): 4938473

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 5477, 27385, 71201, 235511, 356005, 1177555, 3061643, 15308215]

約数ペア:

[(1, 15308215), (5, 3061643), (13, 1177555), (43, 356005), (65, 235511), (215, 71201), (559, 27385), (2795, 5477)]