199097703

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 351959040

約数和(自身を除く): 152861337

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 111, 189, 213, 259, 333, 401, 497, 639, 777, 999, 1203, 1491, 1917, 2331, 2627, 2807, 3609, 4473, 6993, 7881, 8421, 10827, 13419, 14837, 18389, 23643, 25263, 28471, 44511, 55167, 70929, 75789, 85413, 103859, 133533, 165501, 199297, 256239, 311577, 400599, 496503, 597891, 768717, 934731, 1053427, 1793673, 2804193, 3160281, 5381019, 7373989, 9480843, 22121967, 28442529, 66365901, 199097703]

約数ペア:

[(1, 199097703), (3, 66365901), (7, 28442529), (9, 22121967), (21, 9480843), (27, 7373989), (37, 5381019), (63, 3160281), (71, 2804193), (111, 1793673), (189, 1053427), (213, 934731), (259, 768717), (333, 597891), (401, 496503), (497, 400599), (639, 311577), (777, 256239), (999, 199297), (1203, 165501), (1491, 133533), (1917, 103859), (2331, 85413), (2627, 75789), (2807, 70929), (3609, 55167), (4473, 44511), (6993, 28471), (7881, 25263), (8421, 23643), (10827, 18389), (13419, 14837)]