19699875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 39312000

約数和(自身を除く): 19612125

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 449, 585, 675, 975, 1125, 1347, 1625, 1755, 2245, 2925, 3375, 4041, 4875, 5837, 6735, 8775, 11225, 12123, 14625, 17511, 20205, 29185, 33675, 43875, 52533, 56125, 60615, 87555, 101025, 145925, 157599, 168375, 262665, 303075, 437775, 505125, 729625, 787995, 1313325, 1515375, 2188875, 3939975, 6566625, 19699875]

約数ペア:

[(1, 19699875), (3, 6566625), (5, 3939975), (9, 2188875), (13, 1515375), (15, 1313325), (25, 787995), (27, 729625), (39, 505125), (45, 437775), (65, 303075), (75, 262665), (117, 168375), (125, 157599), (135, 145925), (195, 101025), (225, 87555), (325, 60615), (351, 56125), (375, 52533), (449, 43875), (585, 33675), (675, 29185), (975, 20205), (1125, 17511), (1347, 14625), (1625, 12123), (1755, 11225), (2245, 8775), (2925, 6735), (3375, 5837), (4041, 4875)]