13015305

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7817}}^1$

素因数の和:7865

約数の個数: 24

約数和(自身を含む): 23172552

約数和(自身を除く): 10157247

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 7817, 23451, 39085, 70353, 117255, 289229, 351765, 867687, 1446145, 2603061, 4338435, 13015305]

約数ペア:

[(1, 13015305), (3, 4338435), (5, 2603061), (9, 1446145), (15, 867687), (37, 351765), (45, 289229), (111, 117255), (185, 70353), (333, 39085), (555, 23451), (1665, 7817)]