198798831

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 368769024

約数和(自身を除く): 169970193

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 107, 147, 231, 321, 383, 441, 539, 693, 749, 963, 1149, 1177, 1617, 2247, 2681, 3447, 3531, 4213, 4851, 5243, 6741, 8043, 8239, 10593, 12639, 15729, 18767, 24129, 24717, 29491, 37917, 40981, 47187, 56301, 57673, 74151, 88473, 122943, 168903, 173019, 206437, 265419, 286867, 368829, 450791, 519057, 619311, 860601, 1352373, 1857933, 2008069, 2581803, 3155537, 4057119, 6024207, 9466611, 18072621, 22088759, 28399833, 66266277, 198798831]

約数ペア:

[(1, 198798831), (3, 66266277), (7, 28399833), (9, 22088759), (11, 18072621), (21, 9466611), (33, 6024207), (49, 4057119), (63, 3155537), (77, 2581803), (99, 2008069), (107, 1857933), (147, 1352373), (231, 860601), (321, 619311), (383, 519057), (441, 450791), (539, 368829), (693, 286867), (749, 265419), (963, 206437), (1149, 173019), (1177, 168903), (1617, 122943), (2247, 88473), (2681, 74151), (3447, 57673), (3531, 56301), (4213, 47187), (4851, 40981), (5243, 37917), (6741, 29491), (8043, 24717), (8239, 24129), (10593, 18767), (12639, 15729)]