27701715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 20924205

約数列:

[1, 3, 5, 15, 19, 37, 57, 71, 95, 111, 185, 213, 285, 355, 555, 703, 1065, 1349, 1369, 2109, 2627, 3515, 4047, 4107, 6745, 6845, 7881, 10545, 13135, 20235, 20535, 26011, 39405, 49913, 78033, 97199, 130055, 149739, 249565, 291597, 390165, 485995, 748695, 1457985, 1846781, 5540343, 9233905, 27701715]

約数ペア:

[(1, 27701715), (3, 9233905), (5, 5540343), (15, 1846781), (19, 1457985), (37, 748695), (57, 485995), (71, 390165), (95, 291597), (111, 249565), (185, 149739), (213, 130055), (285, 97199), (355, 78033), (555, 49913), (703, 39405), (1065, 26011), (1349, 20535), (1369, 20235), (2109, 13135), (2627, 10545), (3515, 7881), (4047, 6845), (4107, 6745)]