81728388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324319}}^1$

素因数の和:324336

約数の個数: 36

約数和(自身を含む): 236104960

約数和(自身を除く): 154376572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324319, 648638, 972957, 1297276, 1945914, 2270233, 2918871, 3891828, 4540466, 5837742, 6810699, 9080932, 11675484, 13621398, 20432097, 27242796, 40864194, 81728388]

約数ペア:

[(1, 81728388), (2, 40864194), (3, 27242796), (4, 20432097), (6, 13621398), (7, 11675484), (9, 9080932), (12, 6810699), (14, 5837742), (18, 4540466), (21, 3891828), (28, 2918871), (36, 2270233), (42, 1945914), (63, 1297276), (84, 972957), (126, 648638), (252, 324319)]