197580159

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51413}}^1$

素因数の和:51487

約数の個数: 24

約数和(自身を含む): 331517472

約数和(自身を除く): 133937313

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 51413, 154239, 359891, 462717, 1079673, 3136193, 3239019, 9408579, 21953351, 28225737, 65860053, 197580159]

約数ペア:

[(1, 197580159), (3, 65860053), (7, 28225737), (9, 21953351), (21, 9408579), (61, 3239019), (63, 3136193), (183, 1079673), (427, 462717), (549, 359891), (1281, 154239), (3843, 51413)]