990147249

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{7417}}^1$

素因数の和:7606

約数の個数: 48

約数和(自身を含む): 1771299712

約数和(自身を除く): 781152463

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 163, 273, 489, 819, 1141, 1467, 2119, 3423, 6357, 7417, 10269, 14833, 19071, 22251, 44499, 51919, 66753, 96421, 133497, 155757, 289263, 467271, 674947, 867789, 1208971, 2024841, 3626913, 6074523, 8462797, 10880739, 15716623, 25388391, 47149869, 76165173, 110016361, 141449607, 330049083, 990147249]

約数ペア:

[(1, 990147249), (3, 330049083), (7, 141449607), (9, 110016361), (13, 76165173), (21, 47149869), (39, 25388391), (63, 15716623), (91, 10880739), (117, 8462797), (163, 6074523), (273, 3626913), (489, 2024841), (819, 1208971), (1141, 867789), (1467, 674947), (2119, 467271), (3423, 289263), (6357, 155757), (7417, 133497), (10269, 96421), (14833, 66753), (19071, 51919), (22251, 44499)]