28947771

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 43552080

約数和(自身を除く): 14604309

約数列:

[1, 3, 9, 29, 87, 197, 261, 563, 591, 1689, 1773, 5067, 5713, 16327, 17139, 48981, 51417, 110911, 146943, 332733, 998199, 3216419, 9649257, 28947771]

約数ペア:

[(1, 28947771), (3, 9649257), (9, 3216419), (29, 998199), (87, 332733), (197, 146943), (261, 110911), (563, 51417), (591, 48981), (1689, 17139), (1773, 16327), (5067, 5713)]