28246995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 58337280

約数和(自身を除く): 30090285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 421, 497, 639, 945, 1065, 1263, 1491, 1917, 2105, 2485, 2947, 3195, 3789, 4473, 6315, 7455, 8841, 9585, 11367, 13419, 14735, 18945, 22365, 26523, 29891, 44205, 56835, 67095, 79569, 89673, 132615, 149455, 209237, 269019, 397845, 448365, 627711, 807057, 1046185, 1345095, 1883133, 3138555, 4035285, 5649399, 9415665, 28246995]

約数ペア:

[(1, 28246995), (3, 9415665), (5, 5649399), (7, 4035285), (9, 3138555), (15, 1883133), (21, 1345095), (27, 1046185), (35, 807057), (45, 627711), (63, 448365), (71, 397845), (105, 269019), (135, 209237), (189, 149455), (213, 132615), (315, 89673), (355, 79569), (421, 67095), (497, 56835), (639, 44205), (945, 29891), (1065, 26523), (1263, 22365), (1491, 18945), (1917, 14735), (2105, 13419), (2485, 11367), (2947, 9585), (3195, 8841), (3789, 7455), (4473, 6315)]