27747447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 48620544

約数和(自身を除く): 20873097

約数列:

[1, 3, 7, 13, 21, 37, 39, 41, 67, 91, 111, 123, 201, 259, 273, 287, 469, 481, 533, 777, 861, 871, 1407, 1443, 1517, 1599, 2479, 2613, 2747, 3367, 3731, 4551, 6097, 7437, 8241, 10101, 10619, 11193, 17353, 18291, 19229, 19721, 31857, 32227, 35711, 52059, 57687, 59163, 96681, 101639, 107133, 138047, 225589, 249977, 304917, 414141, 676767, 711473, 749931, 1321307, 2134419, 3963921, 9249149, 27747447]

約数ペア:

[(1, 27747447), (3, 9249149), (7, 3963921), (13, 2134419), (21, 1321307), (37, 749931), (39, 711473), (41, 676767), (67, 414141), (91, 304917), (111, 249977), (123, 225589), (201, 138047), (259, 107133), (273, 101639), (287, 96681), (469, 59163), (481, 57687), (533, 52059), (777, 35711), (861, 32227), (871, 31857), (1407, 19721), (1443, 19229), (1517, 18291), (1599, 17353), (2479, 11193), (2613, 10619), (2747, 10101), (3367, 8241), (3731, 7437), (4551, 6097)]