90813825

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 179849600

約数和(自身を除く): 89035775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 73, 75, 95, 97, 135, 171, 219, 225, 285, 291, 365, 475, 485, 513, 657, 675, 855, 873, 1095, 1387, 1425, 1455, 1825, 1843, 1971, 2425, 2565, 2619, 3285, 4161, 4275, 4365, 5475, 5529, 6935, 7081, 7275, 9215, 9855, 12483, 12825, 13095, 16425, 16587, 20805, 21243, 21825, 27645, 34675, 35405, 37449, 46075, 49275, 49761, 62415, 63729, 65475, 82935, 104025, 106215, 134539, 138225, 177025, 187245, 191187, 248805, 312075, 318645, 403617, 414675, 531075, 672695, 936225, 955935, 1210851, 1244025, 1593225, 2018085, 3363475, 3632553, 4779675, 6054255, 10090425, 18162765, 30271275, 90813825]

約数ペア:

[(1, 90813825), (3, 30271275), (5, 18162765), (9, 10090425), (15, 6054255), (19, 4779675), (25, 3632553), (27, 3363475), (45, 2018085), (57, 1593225), (73, 1244025), (75, 1210851), (95, 955935), (97, 936225), (135, 672695), (171, 531075), (219, 414675), (225, 403617), (285, 318645), (291, 312075), (365, 248805), (475, 191187), (485, 187245), (513, 177025), (657, 138225), (675, 134539), (855, 106215), (873, 104025), (1095, 82935), (1387, 65475), (1425, 63729), (1455, 62415), (1825, 49761), (1843, 49275), (1971, 46075), (2425, 37449), (2565, 35405), (2619, 34675), (3285, 27645), (4161, 21825), (4275, 21243), (4365, 20805), (5475, 16587), (5529, 16425), (6935, 13095), (7081, 12825), (7275, 12483), (9215, 9855)]