1987689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 3133440

約数和(自身を除く): 1145751

約数列:

[1, 3, 11, 29, 31, 33, 67, 87, 93, 201, 319, 341, 737, 899, 957, 1023, 1943, 2077, 2211, 2697, 5829, 6231, 9889, 21373, 22847, 29667, 60233, 64119, 68541, 180699, 662563, 1987689]

約数ペア:

[(1, 1987689), (3, 662563), (11, 180699), (29, 68541), (31, 64119), (33, 60233), (67, 29667), (87, 22847), (93, 21373), (201, 9889), (319, 6231), (341, 5829), (737, 2697), (899, 2211), (957, 2077), (1023, 1943)]