28911351

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 45669888

約数和(自身を除く): 16758537

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 317, 707, 903, 951, 2121, 2219, 4343, 6657, 13029, 13631, 30401, 32017, 40893, 91203, 95417, 96051, 224119, 286251, 672357, 1376731, 4130193, 9637117, 28911351]

約数ペア:

[(1, 28911351), (3, 9637117), (7, 4130193), (21, 1376731), (43, 672357), (101, 286251), (129, 224119), (301, 96051), (303, 95417), (317, 91203), (707, 40893), (903, 32017), (951, 30401), (2121, 13631), (2219, 13029), (4343, 6657)]