78199425

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 153498422

約数和(自身を除く): 75298997

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 73, 75, 81, 115, 135, 207, 219, 225, 345, 365, 405, 529, 575, 621, 657, 675, 1035, 1095, 1587, 1679, 1725, 1825, 1863, 1971, 2025, 2645, 3105, 3285, 4761, 5037, 5175, 5475, 5913, 7935, 8395, 9315, 9855, 13225, 14283, 15111, 15525, 16425, 23805, 25185, 29565, 38617, 39675, 41975, 42849, 45333, 46575, 49275, 71415, 75555, 115851, 119025, 125925, 135999, 147825, 193085, 214245, 226665, 347553, 357075, 377775, 579255, 679995, 965425, 1042659, 1071225, 1133325, 1737765, 2896275, 3127977, 3399975, 5213295, 8688825, 15639885, 26066475, 78199425]

約数ペア:

[(1, 78199425), (3, 26066475), (5, 15639885), (9, 8688825), (15, 5213295), (23, 3399975), (25, 3127977), (27, 2896275), (45, 1737765), (69, 1133325), (73, 1071225), (75, 1042659), (81, 965425), (115, 679995), (135, 579255), (207, 377775), (219, 357075), (225, 347553), (345, 226665), (365, 214245), (405, 193085), (529, 147825), (575, 135999), (621, 125925), (657, 119025), (675, 115851), (1035, 75555), (1095, 71415), (1587, 49275), (1679, 46575), (1725, 45333), (1825, 42849), (1863, 41975), (1971, 39675), (2025, 38617), (2645, 29565), (3105, 25185), (3285, 23805), (4761, 16425), (5037, 15525), (5175, 15111), (5475, 14283), (5913, 13225), (7935, 9855), (8395, 9315)]