81713718

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 193939200

約数和(自身を除く): 112225482

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 342, 438, 513, 657, 1026, 1091, 1314, 1387, 1971, 2182, 2774, 3273, 3942, 4161, 6546, 8322, 9819, 12483, 19638, 20729, 24966, 29457, 37449, 41458, 58914, 62187, 74898, 79643, 124374, 159286, 186561, 238929, 373122, 477858, 559683, 716787, 1119366, 1433574, 1513217, 2150361, 3026434, 4300722, 4539651, 9079302, 13618953, 27237906, 40856859, 81713718]

約数ペア:

[(1, 81713718), (2, 40856859), (3, 27237906), (6, 13618953), (9, 9079302), (18, 4539651), (19, 4300722), (27, 3026434), (38, 2150361), (54, 1513217), (57, 1433574), (73, 1119366), (114, 716787), (146, 559683), (171, 477858), (219, 373122), (342, 238929), (438, 186561), (513, 159286), (657, 124374), (1026, 79643), (1091, 74898), (1314, 62187), (1387, 58914), (1971, 41458), (2182, 37449), (2774, 29457), (3273, 24966), (3942, 20729), (4161, 19638), (6546, 12483), (8322, 9819)]