51856785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 42492015

約数列:

[1, 3, 5, 9, 15, 29, 45, 79, 87, 145, 237, 261, 395, 435, 503, 711, 1185, 1305, 1509, 2291, 2515, 3555, 4527, 6873, 7545, 11455, 14587, 20619, 22635, 34365, 39737, 43761, 72935, 103095, 119211, 131283, 198685, 218805, 357633, 596055, 656415, 1152373, 1788165, 3457119, 5761865, 10371357, 17285595, 51856785]

約数ペア:

[(1, 51856785), (3, 17285595), (5, 10371357), (9, 5761865), (15, 3457119), (29, 1788165), (45, 1152373), (79, 656415), (87, 596055), (145, 357633), (237, 218805), (261, 198685), (395, 131283), (435, 119211), (503, 103095), (711, 72935), (1185, 43761), (1305, 39737), (1509, 34365), (2291, 22635), (2515, 20619), (3555, 14587), (4527, 11455), (6873, 7545)]