28664415

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16333}}^1$

素因数の和:16360

約数の個数: 32

約数和(自身を含む): 54882240

約数和(自身を除く): 26217825

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16333, 48999, 81665, 146997, 212329, 244995, 440991, 636987, 734985, 1061645, 1910961, 2204955, 3184935, 5732883, 9554805, 28664415]

約数ペア:

[(1, 28664415), (3, 9554805), (5, 5732883), (9, 3184935), (13, 2204955), (15, 1910961), (27, 1061645), (39, 734985), (45, 636987), (65, 440991), (117, 244995), (135, 212329), (195, 146997), (351, 81665), (585, 48999), (1755, 16333)]