13972215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 23889600

約数和(自身を除く): 9917385

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 349, 471, 785, 1047, 1745, 2355, 2669, 5235, 5933, 8007, 13345, 17799, 29665, 40035, 54793, 88995, 164379, 273965, 821895, 931481, 2794443, 4657405, 13972215]

約数ペア:

[(1, 13972215), (3, 4657405), (5, 2794443), (15, 931481), (17, 821895), (51, 273965), (85, 164379), (157, 88995), (255, 54793), (349, 40035), (471, 29665), (785, 17799), (1047, 13345), (1745, 8007), (2355, 5933), (2669, 5235)]