149797431

素因数分解:

$3^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 256810400

約数和(自身を除く): 107012969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 349, 567, 757, 1047, 2271, 2443, 3141, 5299, 6813, 7329, 9423, 15897, 20439, 21987, 28269, 47691, 61317, 65961, 143073, 197883, 264193, 429219, 792579, 1849351, 2377737, 5548053, 7133211, 16644159, 21399633, 49932477, 149797431]

約数ペア:

[(1, 149797431), (3, 49932477), (7, 21399633), (9, 16644159), (21, 7133211), (27, 5548053), (63, 2377737), (81, 1849351), (189, 792579), (349, 429219), (567, 264193), (757, 197883), (1047, 143073), (2271, 65961), (2443, 61317), (3141, 47691), (5299, 28269), (6813, 21987), (7329, 20439), (9423, 15897)]