196997979

素因数分解:

$3^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 271595632

約数和(自身を除く): 74597653

約数列:

[1, 3, 53, 97, 159, 241, 291, 723, 2809, 5141, 8427, 12773, 15423, 23377, 38319, 70131, 272473, 676969, 817419, 1238981, 2030907, 3716943, 65665993, 196997979]

約数ペア:

[(1, 196997979), (3, 65665993), (53, 3716943), (97, 2030907), (159, 1238981), (241, 817419), (291, 676969), (723, 272473), (2809, 70131), (5141, 38319), (8427, 23377), (12773, 15423)]