4988925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 9672000

約数和(自身を除く): 4683075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 389, 475, 513, 675, 855, 1167, 1425, 1945, 2565, 3501, 4275, 5835, 7391, 9725, 10503, 12825, 17505, 22173, 29175, 36955, 52515, 66519, 87525, 110865, 184775, 199557, 262575, 332595, 554325, 997785, 1662975, 4988925]

約数ペア:

[(1, 4988925), (3, 1662975), (5, 997785), (9, 554325), (15, 332595), (19, 262575), (25, 199557), (27, 184775), (45, 110865), (57, 87525), (75, 66519), (95, 52515), (135, 36955), (171, 29175), (225, 22173), (285, 17505), (389, 12825), (475, 10503), (513, 9725), (675, 7391), (855, 5835), (1167, 4275), (1425, 3501), (1945, 2565)]