219051285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20773}}^1$

素因数の和:20837

約数の個数: 32

約数和(自身を含む): 378917760

約数和(自身を除く): 159866475

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 10545, 20773, 62319, 103865, 311595, 394687, 768601, 1184061, 1973435, 2305803, 3843005, 5920305, 11529015, 14603419, 43810257, 73017095, 219051285]

約数ペア:

[(1, 219051285), (3, 73017095), (5, 43810257), (15, 14603419), (19, 11529015), (37, 5920305), (57, 3843005), (95, 2305803), (111, 1973435), (185, 1184061), (285, 768601), (555, 394687), (703, 311595), (2109, 103865), (3515, 62319), (10545, 20773)]