251557569

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 384626088

約数和(自身を除く): 133068519

約数列:

[1, 3, 9, 27, 81, 97, 101, 291, 303, 317, 873, 909, 951, 2619, 2727, 2853, 7857, 8181, 8559, 9797, 25677, 29391, 30749, 32017, 88173, 92247, 96051, 264519, 276741, 288153, 793557, 830223, 864459, 2490669, 2593377, 3105649, 9316947, 27950841, 83852523, 251557569]

約数ペア:

[(1, 251557569), (3, 83852523), (9, 27950841), (27, 9316947), (81, 3105649), (97, 2593377), (101, 2490669), (291, 864459), (303, 830223), (317, 793557), (873, 288153), (909, 276741), (951, 264519), (2619, 96051), (2727, 92247), (2853, 88173), (7857, 32017), (8181, 30749), (8559, 29391), (9797, 25677)]