39913947

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 63835200

約数和(自身を除く): 23921253

約数列:

[1, 3, 9, 23, 29, 61, 69, 87, 109, 183, 207, 261, 327, 549, 667, 981, 1403, 1769, 2001, 2507, 3161, 4209, 5307, 6003, 6649, 7521, 9483, 12627, 15921, 19947, 22563, 28449, 40687, 59841, 72703, 122061, 152927, 192821, 218109, 366183, 458781, 578463, 654327, 1376343, 1735389, 4434883, 13304649, 39913947]

約数ペア:

[(1, 39913947), (3, 13304649), (9, 4434883), (23, 1735389), (29, 1376343), (61, 654327), (69, 578463), (87, 458781), (109, 366183), (183, 218109), (207, 192821), (261, 152927), (327, 122061), (549, 72703), (667, 59841), (981, 40687), (1403, 28449), (1769, 22563), (2001, 19947), (2507, 15921), (3161, 12627), (4209, 9483), (5307, 7521), (6003, 6649)]