28295085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 30410835

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 1091, 1235, 1365, 1729, 1995, 3273, 3705, 5187, 5455, 7637, 8645, 14183, 16365, 20729, 22911, 25935, 38185, 42549, 62187, 70915, 99281, 103645, 114555, 145103, 212745, 269477, 297843, 310935, 435309, 496405, 725515, 808431, 1347385, 1489215, 1886339, 2176545, 4042155, 5659017, 9431695, 28295085]

約数ペア:

[(1, 28295085), (3, 9431695), (5, 5659017), (7, 4042155), (13, 2176545), (15, 1886339), (19, 1489215), (21, 1347385), (35, 808431), (39, 725515), (57, 496405), (65, 435309), (91, 310935), (95, 297843), (105, 269477), (133, 212745), (195, 145103), (247, 114555), (273, 103645), (285, 99281), (399, 70915), (455, 62187), (665, 42549), (741, 38185), (1091, 25935), (1235, 22911), (1365, 20729), (1729, 16365), (1995, 14183), (3273, 8645), (3705, 7637), (5187, 5455)]