28898037

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1447}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 47888256

約数和(自身を除く): 18990219

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 1447, 2219, 2853, 4341, 6657, 10129, 13023, 19971, 30387, 91161, 458699, 1376097, 3210893, 4128291, 9632679, 28898037]

約数ペア:

[(1, 28898037), (3, 9632679), (7, 4128291), (9, 3210893), (21, 1376097), (63, 458699), (317, 91161), (951, 30387), (1447, 19971), (2219, 13023), (2853, 10129), (4341, 6657)]