212370885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 411891480

約数和(自身を除く): 199520595

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 361, 765, 769, 855, 969, 1083, 1615, 1805, 2307, 2907, 3249, 3845, 4845, 5415, 6137, 6921, 11535, 13073, 14535, 14611, 16245, 18411, 30685, 34605, 39219, 43833, 55233, 65365, 73055, 92055, 117657, 131499, 196095, 219165, 248387, 276165, 277609, 588285, 657495, 745161, 832827, 1241935, 1388045, 2235483, 2498481, 3725805, 4164135, 4719353, 11177415, 12492405, 14158059, 23596765, 42474177, 70790295, 212370885]

約数ペア:

[(1, 212370885), (3, 70790295), (5, 42474177), (9, 23596765), (15, 14158059), (17, 12492405), (19, 11177415), (45, 4719353), (51, 4164135), (57, 3725805), (85, 2498481), (95, 2235483), (153, 1388045), (171, 1241935), (255, 832827), (285, 745161), (323, 657495), (361, 588285), (765, 277609), (769, 276165), (855, 248387), (969, 219165), (1083, 196095), (1615, 131499), (1805, 117657), (2307, 92055), (2907, 73055), (3249, 65365), (3845, 55233), (4845, 43833), (5415, 39219), (6137, 34605), (6921, 30685), (11535, 18411), (13073, 16245), (14535, 14611)]