13390263

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 20155200

約数和(自身を除く): 6764937

約数列:

[1, 3, 9, 37, 79, 111, 237, 333, 509, 711, 1527, 2923, 4581, 8769, 18833, 26307, 40211, 56499, 120633, 169497, 361899, 1487807, 4463421, 13390263]

約数ペア:

[(1, 13390263), (3, 4463421), (9, 1487807), (37, 361899), (79, 169497), (111, 120633), (237, 56499), (333, 40211), (509, 26307), (711, 18833), (1527, 8769), (2923, 4581)]