38461221

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 61776000

約数和(自身を除く): 23314779

約数列:

[1, 3, 9, 23, 29, 43, 69, 87, 129, 149, 207, 261, 387, 447, 667, 989, 1247, 1341, 2001, 2967, 3427, 3741, 4321, 6003, 6407, 8901, 10281, 11223, 12963, 19221, 28681, 30843, 38889, 57663, 86043, 99383, 147361, 185803, 258129, 298149, 442083, 557409, 894447, 1326249, 1672227, 4273469, 12820407, 38461221]

約数ペア:

[(1, 38461221), (3, 12820407), (9, 4273469), (23, 1672227), (29, 1326249), (43, 894447), (69, 557409), (87, 442083), (129, 298149), (149, 258129), (207, 185803), (261, 147361), (387, 99383), (447, 86043), (667, 57663), (989, 38889), (1247, 30843), (1341, 28681), (2001, 19221), (2967, 12963), (3427, 11223), (3741, 10281), (4321, 8901), (6003, 6407)]