13815915

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 8993685

約数列:

[1, 3, 5, 15, 79, 89, 131, 237, 267, 393, 395, 445, 655, 1185, 1335, 1965, 7031, 10349, 11659, 21093, 31047, 34977, 35155, 51745, 58295, 105465, 155235, 174885, 921061, 2763183, 4605305, 13815915]

約数ペア:

[(1, 13815915), (3, 4605305), (5, 2763183), (15, 921061), (79, 174885), (89, 155235), (131, 105465), (237, 58295), (267, 51745), (393, 35155), (395, 34977), (445, 31047), (655, 21093), (1185, 11659), (1335, 10349), (1965, 7031)]