394642179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 653184000

約数和(自身を除く): 258541821

約数列:

[1, 3, 9, 19, 27, 29, 41, 57, 87, 123, 171, 261, 369, 513, 551, 647, 779, 783, 1107, 1189, 1653, 1941, 2337, 3567, 4959, 5823, 7011, 10701, 12293, 14877, 17469, 18763, 21033, 22591, 26527, 32103, 36879, 56289, 67773, 79581, 110637, 168867, 203319, 238743, 331911, 356497, 504013, 506601, 609957, 716229, 769283, 1069491, 1512039, 2307849, 3208473, 4536117, 6923547, 9625419, 13608351, 14616377, 20770641, 43849131, 131547393, 394642179]

約数ペア:

[(1, 394642179), (3, 131547393), (9, 43849131), (19, 20770641), (27, 14616377), (29, 13608351), (41, 9625419), (57, 6923547), (87, 4536117), (123, 3208473), (171, 2307849), (261, 1512039), (369, 1069491), (513, 769283), (551, 716229), (647, 609957), (779, 506601), (783, 504013), (1107, 356497), (1189, 331911), (1653, 238743), (1941, 203319), (2337, 168867), (3567, 110637), (4959, 79581), (5823, 67773), (7011, 56289), (10701, 36879), (12293, 32103), (14877, 26527), (17469, 22591), (18763, 21033)]