28384947

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 42073200

約数和(自身を除く): 13688253

約数列:

[1, 3, 9, 61, 149, 183, 347, 447, 549, 1041, 1341, 3123, 9089, 21167, 27267, 51703, 63501, 81801, 155109, 190503, 465327, 3153883, 9461649, 28384947]

約数ペア:

[(1, 28384947), (3, 9461649), (9, 3153883), (61, 465327), (149, 190503), (183, 155109), (347, 81801), (447, 63501), (549, 51703), (1041, 27267), (1341, 21167), (3123, 9089)]