28491183

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 49193760

約数和(自身を除く): 20702577

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 461, 567, 763, 981, 1383, 2289, 2943, 3227, 4149, 6867, 8829, 9681, 12447, 20601, 29043, 37341, 50249, 61803, 87129, 150747, 261387, 351743, 452241, 1055229, 1356723, 3165687, 4070169, 9497061, 28491183]

約数ペア:

[(1, 28491183), (3, 9497061), (7, 4070169), (9, 3165687), (21, 1356723), (27, 1055229), (63, 452241), (81, 351743), (109, 261387), (189, 150747), (327, 87129), (461, 61803), (567, 50249), (763, 37341), (981, 29043), (1383, 20601), (2289, 12447), (2943, 9681), (3227, 8829), (4149, 6867)]