31979745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 66570240

約数和(自身を除く): 34590495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 645, 787, 903, 945, 1161, 1505, 1935, 2361, 2709, 3935, 4515, 5509, 5805, 7083, 8127, 11805, 13545, 16527, 21249, 27545, 33841, 35415, 40635, 49581, 82635, 101523, 106245, 148743, 169205, 236887, 247905, 304569, 507615, 710661, 743715, 913707, 1184435, 1522845, 2131983, 3553305, 4568535, 6395949, 10659915, 31979745]

約数ペア:

[(1, 31979745), (3, 10659915), (5, 6395949), (7, 4568535), (9, 3553305), (15, 2131983), (21, 1522845), (27, 1184435), (35, 913707), (43, 743715), (45, 710661), (63, 507615), (105, 304569), (129, 247905), (135, 236887), (189, 169205), (215, 148743), (301, 106245), (315, 101523), (387, 82635), (645, 49581), (787, 40635), (903, 35415), (945, 33841), (1161, 27545), (1505, 21249), (1935, 16527), (2361, 13545), (2709, 11805), (3935, 8127), (4515, 7083), (5509, 5805)]