15661972017

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{131011}}^1$

素因数の和:131413

約数の個数: 24

約数和(自身を含む): 23299174080

約数和(自身を除く): 7637202063

約数列:

[1, 3, 9, 37, 111, 333, 359, 1077, 3231, 13283, 39849, 119547, 131011, 393033, 1179099, 4847407, 14542221, 43626663, 47032949, 141098847, 423296541, 1740219113, 5220657339, 15661972017]

約数ペア:

[(1, 15661972017), (3, 5220657339), (9, 1740219113), (37, 423296541), (111, 141098847), (333, 47032949), (359, 43626663), (1077, 14542221), (3231, 4847407), (13283, 1179099), (39849, 393033), (119547, 131011)]