1990202955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{17387}}^1$

素因数の和:17995

約数の個数: 32

約数和(自身を含む): 3435312384

約数和(自身を除く): 1445109429

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 587, 1761, 2935, 7631, 8805, 17387, 22893, 38155, 52161, 86935, 114465, 226031, 260805, 678093, 1130155, 3390465, 10206169, 30618507, 51030845, 132680197, 153092535, 398040591, 663400985, 1990202955]

約数ペア:

[(1, 1990202955), (3, 663400985), (5, 398040591), (13, 153092535), (15, 132680197), (39, 51030845), (65, 30618507), (195, 10206169), (587, 3390465), (1761, 1130155), (2935, 678093), (7631, 260805), (8805, 226031), (17387, 114465), (22893, 86935), (38155, 52161)]