1981022337

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{829}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 3320903040

約数和(自身を除く): 1339880703

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 457, 581, 747, 829, 1371, 1743, 2487, 3199, 4113, 5229, 5803, 7461, 9597, 17409, 28791, 37931, 52227, 68807, 113793, 206421, 265517, 341379, 378853, 481649, 619263, 796551, 1136559, 1444947, 2389653, 2651971, 3409677, 4334841, 7955913, 23867739, 31444799, 94334397, 220113593, 283003191, 660340779, 1981022337]

約数ペア:

[(1, 1981022337), (3, 660340779), (7, 283003191), (9, 220113593), (21, 94334397), (63, 31444799), (83, 23867739), (249, 7955913), (457, 4334841), (581, 3409677), (747, 2651971), (829, 2389653), (1371, 1444947), (1743, 1136559), (2487, 796551), (3199, 619263), (4113, 481649), (5229, 378853), (5803, 341379), (7461, 265517), (9597, 206421), (17409, 113793), (28791, 68807), (37931, 52227)]