31451020875

素因数分解:

$3^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{131251}}^1$

素因数の和:131346

約数の個数: 64

約数和(自身を含む): 58968898560

約数和(自身を除く): 27517877685

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 125, 135, 213, 225, 355, 375, 639, 675, 1065, 1125, 1775, 1917, 3195, 3375, 5325, 8875, 9585, 15975, 26625, 47925, 79875, 131251, 239625, 393753, 656255, 1181259, 1968765, 3281275, 3543777, 5906295, 9318821, 9843825, 16406375, 17718885, 27956463, 29531475, 46594105, 49219125, 83869389, 88594425, 139782315, 147657375, 232970525, 251608167, 419346945, 442972125, 698911575, 1164852625, 1258040835, 2096734725, 3494557875, 6290204175, 10483673625, 31451020875]

約数ペア:

[(1, 31451020875), (3, 10483673625), (5, 6290204175), (9, 3494557875), (15, 2096734725), (25, 1258040835), (27, 1164852625), (45, 698911575), (71, 442972125), (75, 419346945), (125, 251608167), (135, 232970525), (213, 147657375), (225, 139782315), (355, 88594425), (375, 83869389), (639, 49219125), (675, 46594105), (1065, 29531475), (1125, 27956463), (1775, 17718885), (1917, 16406375), (3195, 9843825), (3375, 9318821), (5325, 5906295), (8875, 3543777), (9585, 3281275), (15975, 1968765), (26625, 1181259), (47925, 656255), (79875, 393753), (131251, 239625)]