83976921

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 143769600

約数和(自身を除く): 59792679

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 141, 237, 329, 359, 423, 553, 711, 987, 1077, 1659, 2513, 2961, 3231, 3713, 4977, 7539, 11139, 16873, 22617, 25991, 28361, 33417, 50619, 77973, 85083, 118111, 151857, 198527, 233919, 255249, 354333, 595581, 1062999, 1332967, 1786743, 3998901, 9330769, 11996703, 27992307, 83976921]

約数ペア:

[(1, 83976921), (3, 27992307), (7, 11996703), (9, 9330769), (21, 3998901), (47, 1786743), (63, 1332967), (79, 1062999), (141, 595581), (237, 354333), (329, 255249), (359, 233919), (423, 198527), (553, 151857), (711, 118111), (987, 85083), (1077, 77973), (1659, 50619), (2513, 33417), (2961, 28361), (3231, 25991), (3713, 22617), (4977, 16873), (7539, 11139)]