81245268

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19289}}^1$

素因数の和:19318

約数の個数: 60

約数和(自身を含む): 228740820

約数和(自身を除く): 147495552

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 19289, 38578, 57867, 77156, 115734, 173601, 231468, 250757, 347202, 501514, 520803, 694404, 752271, 1003028, 1041606, 1504542, 1562409, 2083212, 2256813, 3009084, 3124818, 4513626, 6249636, 6770439, 9027252, 13540878, 20311317, 27081756, 40622634, 81245268]

約数ペア:

[(1, 81245268), (2, 40622634), (3, 27081756), (4, 20311317), (6, 13540878), (9, 9027252), (12, 6770439), (13, 6249636), (18, 4513626), (26, 3124818), (27, 3009084), (36, 2256813), (39, 2083212), (52, 1562409), (54, 1504542), (78, 1041606), (81, 1003028), (108, 752271), (117, 694404), (156, 520803), (162, 501514), (234, 347202), (324, 250757), (351, 231468), (468, 173601), (702, 115734), (1053, 77156), (1404, 57867), (2106, 38578), (4212, 19289)]