13238865

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4391}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 23295168

約数和(自身を除く): 10056303

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 4391, 13173, 21955, 39519, 65865, 197595, 294197, 882591, 1470985, 2647773, 4412955, 13238865]

約数ペア:

[(1, 13238865), (3, 4412955), (5, 2647773), (9, 1470985), (15, 882591), (45, 294197), (67, 197595), (201, 65865), (335, 39519), (603, 21955), (1005, 13173), (3015, 4391)]