40660209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 66718080

約数和(自身を除く): 26057871

約数列:

[1, 3, 9, 17, 19, 51, 57, 71, 153, 171, 197, 213, 323, 591, 639, 969, 1207, 1349, 1773, 2907, 3349, 3621, 3743, 4047, 10047, 10863, 11229, 12141, 13987, 22933, 30141, 33687, 41961, 63631, 68799, 125883, 190893, 206397, 237779, 265753, 572679, 713337, 797259, 2140011, 2391777, 4517801, 13553403, 40660209]

約数ペア:

[(1, 40660209), (3, 13553403), (9, 4517801), (17, 2391777), (19, 2140011), (51, 797259), (57, 713337), (71, 572679), (153, 265753), (171, 237779), (197, 206397), (213, 190893), (323, 125883), (591, 68799), (639, 63631), (969, 41961), (1207, 33687), (1349, 30141), (1773, 22933), (2907, 13987), (3349, 12141), (3621, 11229), (3743, 10863), (4047, 10047)]