31145085

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 57720000

約数和(自身を除く): 26574915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 73, 95, 171, 219, 285, 365, 499, 657, 855, 1095, 1387, 1497, 2495, 3285, 4161, 4491, 6935, 7485, 9481, 12483, 20805, 22455, 28443, 36427, 47405, 62415, 85329, 109281, 142215, 182135, 327843, 426645, 546405, 692113, 1639215, 2076339, 3460565, 6229017, 10381695, 31145085]

約数ペア:

[(1, 31145085), (3, 10381695), (5, 6229017), (9, 3460565), (15, 2076339), (19, 1639215), (45, 692113), (57, 546405), (73, 426645), (95, 327843), (171, 182135), (219, 142215), (285, 109281), (365, 85329), (499, 62415), (657, 47405), (855, 36427), (1095, 28443), (1387, 22455), (1497, 20805), (2495, 12483), (3285, 9481), (4161, 7485), (4491, 6935)]