138405708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{549229}}^1$

素因数の和:549246

約数の個数: 36

約数和(自身を含む): 399839440

約数和(自身を除く): 261433732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 549229, 1098458, 1647687, 2196916, 3295374, 3844603, 4943061, 6590748, 7689206, 9886122, 11533809, 15378412, 19772244, 23067618, 34601427, 46135236, 69202854, 138405708]

約数ペア:

[(1, 138405708), (2, 69202854), (3, 46135236), (4, 34601427), (6, 23067618), (7, 19772244), (9, 15378412), (12, 11533809), (14, 9886122), (18, 7689206), (21, 6590748), (28, 4943061), (36, 3844603), (42, 3295374), (63, 2196916), (84, 1647687), (126, 1098458), (252, 549229)]