660000006

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{2237}}^1$

素因数の和:2725

約数の個数: 48

約数和(自身を含む): 1472621904

約数和(自身を除く): 812621898

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 443, 666, 886, 1329, 2237, 2658, 3987, 4474, 6711, 7974, 13422, 16391, 20133, 32782, 40266, 49173, 82769, 98346, 147519, 165538, 248307, 295038, 496614, 744921, 990991, 1489842, 1981982, 2972973, 5945946, 8918919, 17837838, 36666667, 73333334, 110000001, 220000002, 330000003, 660000006]

約数ペア:

[(1, 660000006), (2, 330000003), (3, 220000002), (6, 110000001), (9, 73333334), (18, 36666667), (37, 17837838), (74, 8918919), (111, 5945946), (222, 2972973), (333, 1981982), (443, 1489842), (666, 990991), (886, 744921), (1329, 496614), (2237, 295038), (2658, 248307), (3987, 165538), (4474, 147519), (6711, 98346), (7974, 82769), (13422, 49173), (16391, 40266), (20133, 32782)]