291554991

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 537062400

約数和(自身を除く): 245507409

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 107, 117, 189, 273, 321, 351, 749, 819, 963, 1109, 1391, 2247, 2457, 2889, 3327, 4173, 6741, 7763, 9737, 9981, 12519, 14417, 20223, 23289, 29211, 29943, 37557, 43251, 69867, 87633, 100919, 118663, 129753, 209601, 262899, 302757, 355989, 389259, 830641, 908271, 1067967, 1542619, 2491923, 2724813, 3203901, 4627857, 7475769, 10798333, 13883571, 22427307, 32394999, 41650713, 97184997, 291554991]

約数ペア:

[(1, 291554991), (3, 97184997), (7, 41650713), (9, 32394999), (13, 22427307), (21, 13883571), (27, 10798333), (39, 7475769), (63, 4627857), (91, 3203901), (107, 2724813), (117, 2491923), (189, 1542619), (273, 1067967), (321, 908271), (351, 830641), (749, 389259), (819, 355989), (963, 302757), (1109, 262899), (1391, 209601), (2247, 129753), (2457, 118663), (2889, 100919), (3327, 87633), (4173, 69867), (6741, 43251), (7763, 37557), (9737, 29943), (9981, 29211), (12519, 23289), (14417, 20223)]