61989915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2971}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 107847936

約数和(自身を除く): 45858021

約数列:

[1, 3, 5, 13, 15, 39, 65, 107, 195, 321, 535, 1391, 1605, 2971, 4173, 6955, 8913, 14855, 20865, 38623, 44565, 115869, 193115, 317897, 579345, 953691, 1589485, 4132661, 4768455, 12397983, 20663305, 61989915]

約数ペア:

[(1, 61989915), (3, 20663305), (5, 12397983), (13, 4768455), (15, 4132661), (39, 1589485), (65, 953691), (107, 579345), (195, 317897), (321, 193115), (535, 115869), (1391, 44565), (1605, 38623), (2971, 20865), (4173, 14855), (6955, 8913)]