51681615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10667}}^1$

素因数の和:10711

約数の個数: 32

約数和(自身を含む): 92171520

約数和(自身を除く): 40489905

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 10667, 32001, 53335, 160005, 181339, 202673, 544017, 608019, 906695, 1013365, 2720085, 3040095, 3445441, 10336323, 17227205, 51681615]

約数ペア:

[(1, 51681615), (3, 17227205), (5, 10336323), (15, 3445441), (17, 3040095), (19, 2720085), (51, 1013365), (57, 906695), (85, 608019), (95, 544017), (255, 202673), (285, 181339), (323, 160005), (969, 53335), (1615, 32001), (4845, 10667)]