689640003

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{9371}}^1$

素因数の和:9444

約数の個数: 48

約数和(自身を含む): 1166701536

約数和(自身を除く): 477061533

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 333, 481, 629, 663, 1443, 1887, 1989, 4329, 5661, 8177, 9371, 24531, 28113, 73593, 84339, 121823, 159307, 346727, 365469, 477921, 1040181, 1096407, 1433763, 2070991, 3120543, 4507451, 5894359, 6212973, 13522353, 17683077, 18638919, 40567059, 53049231, 76626667, 229880001, 689640003]

約数ペア:

[(1, 689640003), (3, 229880001), (9, 76626667), (13, 53049231), (17, 40567059), (37, 18638919), (39, 17683077), (51, 13522353), (111, 6212973), (117, 5894359), (153, 4507451), (221, 3120543), (333, 2070991), (481, 1433763), (629, 1096407), (663, 1040181), (1443, 477921), (1887, 365469), (1989, 346727), (4329, 159307), (5661, 121823), (8177, 84339), (9371, 73593), (24531, 28113)]