254732715

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2193

約数の個数: 64

約数和(自身を含む): 487065600

約数和(自身を除く): 232332885

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 47, 57, 95, 135, 141, 171, 235, 285, 423, 513, 705, 855, 893, 1269, 2113, 2115, 2565, 2679, 4465, 6339, 6345, 8037, 10565, 13395, 19017, 24111, 31695, 40147, 40185, 57051, 95085, 99311, 120441, 120555, 200735, 285255, 297933, 361323, 496555, 602205, 893799, 1083969, 1489665, 1806615, 1886909, 2681397, 4468995, 5419845, 5660727, 9434545, 13406985, 16982181, 28303635, 50946543, 84910905, 254732715]

約数ペア:

[(1, 254732715), (3, 84910905), (5, 50946543), (9, 28303635), (15, 16982181), (19, 13406985), (27, 9434545), (45, 5660727), (47, 5419845), (57, 4468995), (95, 2681397), (135, 1886909), (141, 1806615), (171, 1489665), (235, 1083969), (285, 893799), (423, 602205), (513, 496555), (705, 361323), (855, 297933), (893, 285255), (1269, 200735), (2113, 120555), (2115, 120441), (2565, 99311), (2679, 95085), (4465, 57051), (6339, 40185), (6345, 40147), (8037, 31695), (10565, 24111), (13395, 19017)]