1388322621

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1\times {\mathrm{991}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 2360071168

約数和(自身を除く): 971748547

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 601, 777, 991, 1803, 2331, 2973, 4207, 5409, 6937, 8919, 12621, 20811, 22237, 36667, 37863, 62433, 66711, 110001, 155659, 200133, 256669, 330003, 466977, 595591, 770007, 1400931, 1786773, 2310021, 4169137, 5360319, 12507411, 22036867, 37522233, 66110601, 154258069, 198331803, 462774207, 1388322621]

約数ペア:

[(1, 1388322621), (3, 462774207), (7, 198331803), (9, 154258069), (21, 66110601), (37, 37522233), (63, 22036867), (111, 12507411), (259, 5360319), (333, 4169137), (601, 2310021), (777, 1786773), (991, 1400931), (1803, 770007), (2331, 595591), (2973, 466977), (4207, 330003), (5409, 256669), (6937, 200133), (8919, 155659), (12621, 110001), (20811, 66711), (22237, 62433), (36667, 37863)]