69825175

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 104310784

約数和(自身を除く): 34485609

約数列:

[1, 5, 7, 25, 31, 35, 61, 155, 175, 211, 217, 305, 427, 775, 1055, 1085, 1477, 1525, 1891, 2135, 5275, 5425, 6541, 7385, 9455, 10675, 12871, 13237, 32705, 36925, 45787, 47275, 64355, 66185, 90097, 163525, 228935, 321775, 330925, 399001, 450485, 1144675, 1995005, 2252425, 2793007, 9975025, 13965035, 69825175]

約数ペア:

[(1, 69825175), (5, 13965035), (7, 9975025), (25, 2793007), (31, 2252425), (35, 1995005), (61, 1144675), (155, 450485), (175, 399001), (211, 330925), (217, 321775), (305, 228935), (427, 163525), (775, 90097), (1055, 66185), (1085, 64355), (1477, 47275), (1525, 45787), (1891, 36925), (2135, 32705), (5275, 13237), (5425, 12871), (6541, 10675), (7385, 9455)]