131422557

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 212857152

約数和(自身を除く): 81434595

約数列:

[1, 3, 7, 21, 37, 49, 73, 111, 147, 219, 259, 331, 511, 777, 993, 1533, 1813, 2317, 2701, 3577, 5439, 6951, 8103, 10731, 12247, 16219, 18907, 24163, 36741, 48657, 56721, 72489, 85729, 132349, 169141, 257187, 397047, 507423, 600103, 894031, 1183987, 1800309, 2682093, 3551961, 6258217, 18774651, 43807519, 131422557]

約数ペア:

[(1, 131422557), (3, 43807519), (7, 18774651), (21, 6258217), (37, 3551961), (49, 2682093), (73, 1800309), (111, 1183987), (147, 894031), (219, 600103), (259, 507423), (331, 397047), (511, 257187), (777, 169141), (993, 132349), (1533, 85729), (1813, 72489), (2317, 56721), (2701, 48657), (3577, 36741), (5439, 24163), (6951, 18907), (8103, 16219), (10731, 12247)]