989866947

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 1394196480

約数和(自身を除く): 404329533

約数列:

[1, 3, 29, 61, 87, 183, 383, 487, 1149, 1461, 1769, 5307, 11107, 14123, 23363, 29707, 33321, 42369, 70089, 89121, 186521, 559563, 677527, 861503, 2032581, 2584509, 5409109, 11377781, 16227327, 34133343, 329955649, 989866947]

約数ペア:

[(1, 989866947), (3, 329955649), (29, 34133343), (61, 16227327), (87, 11377781), (183, 5409109), (383, 2584509), (487, 2032581), (1149, 861503), (1461, 677527), (1769, 559563), (5307, 186521), (11107, 89121), (14123, 70089), (23363, 42369), (29707, 33321)]