81949518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1061}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 203445216

約数和(自身を除く): 121495698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 613, 1061, 1226, 1839, 2122, 3183, 3678, 4291, 5517, 6366, 7427, 8582, 9549, 11034, 12873, 14854, 19098, 22281, 25746, 38619, 44562, 66843, 77238, 133686, 650393, 1300786, 1951179, 3902358, 4552751, 5853537, 9105502, 11707074, 13658253, 27316506, 40974759, 81949518]

約数ペア:

[(1, 81949518), (2, 40974759), (3, 27316506), (6, 13658253), (7, 11707074), (9, 9105502), (14, 5853537), (18, 4552751), (21, 3902358), (42, 1951179), (63, 1300786), (126, 650393), (613, 133686), (1061, 77238), (1226, 66843), (1839, 44562), (2122, 38619), (3183, 25746), (3678, 22281), (4291, 19098), (5517, 14854), (6366, 12873), (7427, 11034), (8582, 9549)]