7642845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 15949440

約数和(自身を除く): 8306595

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1277, 1995, 3831, 5985, 6385, 8939, 11493, 19155, 24263, 26817, 44695, 57465, 72789, 80451, 121315, 134085, 169841, 218367, 363945, 402255, 509523, 849205, 1091835, 1528569, 2547615, 7642845]

約数ペア:

[(1, 7642845), (3, 2547615), (5, 1528569), (7, 1091835), (9, 849205), (15, 509523), (19, 402255), (21, 363945), (35, 218367), (45, 169841), (57, 134085), (63, 121315), (95, 80451), (105, 72789), (133, 57465), (171, 44695), (285, 26817), (315, 24263), (399, 19155), (665, 11493), (855, 8939), (1197, 6385), (1277, 5985), (1995, 3831)]