1979505

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 4055040

約数和(自身を除く): 2075535

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 43, 45, 55, 93, 99, 129, 135, 155, 165, 215, 279, 297, 341, 387, 465, 473, 495, 645, 837, 1023, 1161, 1333, 1395, 1419, 1485, 1705, 1935, 2365, 3069, 3999, 4185, 4257, 5115, 5805, 6665, 7095, 9207, 11997, 12771, 14663, 15345, 19995, 21285, 35991, 43989, 46035, 59985, 63855, 73315, 131967, 179955, 219945, 395901, 659835, 1979505]

約数ペア:

[(1, 1979505), (3, 659835), (5, 395901), (9, 219945), (11, 179955), (15, 131967), (27, 73315), (31, 63855), (33, 59985), (43, 46035), (45, 43989), (55, 35991), (93, 21285), (99, 19995), (129, 15345), (135, 14663), (155, 12771), (165, 11997), (215, 9207), (279, 7095), (297, 6665), (341, 5805), (387, 5115), (465, 4257), (473, 4185), (495, 3999), (645, 3069), (837, 2365), (1023, 1935), (1161, 1705), (1333, 1485), (1395, 1419)]