201970797

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 353009664

約数和(自身を除く): 151038867

約数列:

[1, 3, 7, 21, 23, 31, 41, 47, 49, 69, 93, 123, 141, 147, 161, 217, 287, 329, 483, 651, 713, 861, 943, 987, 1081, 1127, 1271, 1457, 1519, 1927, 2009, 2139, 2303, 2829, 3243, 3381, 3813, 4371, 4557, 4991, 5781, 6027, 6601, 6909, 7567, 8897, 10199, 13489, 14973, 19803, 22701, 26691, 29233, 30597, 33511, 34937, 40467, 44321, 46207, 52969, 59737, 62279, 71393, 87699, 94423, 100533, 104811, 132963, 138621, 158907, 179211, 186837, 204631, 214179, 234577, 283269, 310247, 418159, 613893, 703731, 930741, 1254477, 1373951, 1432417, 1642039, 2171729, 2927113, 4121853, 4297251, 4926117, 6515187, 8781339, 9617657, 28852971, 67323599, 201970797]

約数ペア:

[(1, 201970797), (3, 67323599), (7, 28852971), (21, 9617657), (23, 8781339), (31, 6515187), (41, 4926117), (47, 4297251), (49, 4121853), (69, 2927113), (93, 2171729), (123, 1642039), (141, 1432417), (147, 1373951), (161, 1254477), (217, 930741), (287, 703731), (329, 613893), (483, 418159), (651, 310247), (713, 283269), (861, 234577), (943, 214179), (987, 204631), (1081, 186837), (1127, 179211), (1271, 158907), (1457, 138621), (1519, 132963), (1927, 104811), (2009, 100533), (2139, 94423), (2303, 87699), (2829, 71393), (3243, 62279), (3381, 59737), (3813, 52969), (4371, 46207), (4557, 44321), (4991, 40467), (5781, 34937), (6027, 33511), (6601, 30597), (6909, 29233), (7567, 26691), (8897, 22701), (10199, 19803), (13489, 14973)]