28461753

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 44880000

約数和(自身を除く): 16418247

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 509, 513, 981, 1527, 2071, 2943, 4581, 6213, 9671, 13743, 18639, 29013, 55481, 55917, 87039, 166443, 261117, 499329, 1054139, 1497987, 3162417, 9487251, 28461753]

約数ペア:

[(1, 28461753), (3, 9487251), (9, 3162417), (19, 1497987), (27, 1054139), (57, 499329), (109, 261117), (171, 166443), (327, 87039), (509, 55917), (513, 55481), (981, 29013), (1527, 18639), (2071, 13743), (2943, 9671), (4581, 6213)]