27728043

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 44040192

約数和(自身を除く): 16312149

約数列:

[1, 3, 7, 21, 31, 93, 191, 217, 223, 573, 651, 669, 1337, 1561, 4011, 4683, 5921, 6913, 17763, 20739, 41447, 42593, 48391, 124341, 127779, 145173, 298151, 894453, 1320383, 3961149, 9242681, 27728043]

約数ペア:

[(1, 27728043), (3, 9242681), (7, 3961149), (21, 1320383), (31, 894453), (93, 298151), (191, 145173), (217, 127779), (223, 124341), (573, 48391), (651, 42593), (669, 41447), (1337, 20739), (1561, 17763), (4011, 6913), (4683, 5921)]