189715779

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 324913680

約数和(自身を除く): 135197901

約数列:

[1, 3, 9, 11, 19, 33, 53, 57, 99, 121, 159, 171, 173, 209, 363, 477, 519, 583, 627, 1007, 1089, 1557, 1749, 1881, 1903, 2299, 3021, 3287, 5247, 5709, 6413, 6897, 9063, 9169, 9861, 11077, 17127, 19239, 20691, 20933, 27507, 29583, 33231, 36157, 57717, 62799, 82521, 99693, 100859, 108471, 121847, 174211, 188397, 302577, 325413, 365541, 397727, 522633, 907731, 1096623, 1109449, 1193181, 1567899, 1916321, 3328347, 3579543, 5748963, 9985041, 17246889, 21079531, 63238593, 189715779]

約数ペア:

[(1, 189715779), (3, 63238593), (9, 21079531), (11, 17246889), (19, 9985041), (33, 5748963), (53, 3579543), (57, 3328347), (99, 1916321), (121, 1567899), (159, 1193181), (171, 1109449), (173, 1096623), (209, 907731), (363, 522633), (477, 397727), (519, 365541), (583, 325413), (627, 302577), (1007, 188397), (1089, 174211), (1557, 121847), (1749, 108471), (1881, 100859), (1903, 99693), (2299, 82521), (3021, 62799), (3287, 57717), (5247, 36157), (5709, 33231), (6413, 29583), (6897, 27507), (9063, 20933), (9169, 20691), (9861, 19239), (11077, 17127)]