1551144978

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2221

約数の個数: 80

約数和(自身を含む): 3645867456

約数和(自身を除く): 2094722478

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 211, 414, 422, 621, 633, 1242, 1266, 1863, 1899, 1973, 3726, 3798, 3946, 4853, 5697, 5919, 9706, 11394, 11838, 14559, 17091, 17757, 29118, 34182, 35514, 43677, 45379, 53271, 87354, 90758, 106542, 131031, 136137, 159813, 262062, 272274, 319626, 393093, 408411, 416303, 786186, 816822, 832606, 1225233, 1248909, 2450466, 2497818, 3675699, 3746727, 7351398, 7493454, 9574969, 11240181, 19149938, 22480362, 28724907, 33720543, 57449814, 67441086, 86174721, 172349442, 258524163, 517048326, 775572489, 1551144978]

約数ペア:

[(1, 1551144978), (2, 775572489), (3, 517048326), (6, 258524163), (9, 172349442), (18, 86174721), (23, 67441086), (27, 57449814), (46, 33720543), (54, 28724907), (69, 22480362), (81, 19149938), (138, 11240181), (162, 9574969), (207, 7493454), (211, 7351398), (414, 3746727), (422, 3675699), (621, 2497818), (633, 2450466), (1242, 1248909), (1266, 1225233), (1863, 832606), (1899, 816822), (1973, 786186), (3726, 416303), (3798, 408411), (3946, 393093), (4853, 319626), (5697, 272274), (5919, 262062), (9706, 159813), (11394, 136137), (11838, 131031), (14559, 106542), (17091, 90758), (17757, 87354), (29118, 53271), (34182, 45379), (35514, 43677)]