1905015546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{889363}}^1$

素因数の和:889395

約数の個数: 48

約数和(自身を含む): 4994668224

約数和(自身を除く): 3089652678

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 889363, 1778726, 2668089, 5336178, 6225541, 8004267, 12451082, 15119171, 16008534, 18676623, 30238342, 37353246, 45357513, 56029869, 90715026, 105834197, 112059738, 136072539, 211668394, 272145078, 317502591, 635005182, 952507773, 1905015546]

約数ペア:

[(1, 1905015546), (2, 952507773), (3, 635005182), (6, 317502591), (7, 272145078), (9, 211668394), (14, 136072539), (17, 112059738), (18, 105834197), (21, 90715026), (34, 56029869), (42, 45357513), (51, 37353246), (63, 30238342), (102, 18676623), (119, 16008534), (126, 15119171), (153, 12451082), (238, 8004267), (306, 6225541), (357, 5336178), (714, 2668089), (1071, 1778726), (2142, 889363)]