6420975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 11915904

約数和(自身を除く): 5494929

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 181, 215, 275, 473, 543, 645, 825, 905, 1075, 1419, 1991, 2365, 2715, 3225, 4525, 5973, 7095, 7783, 9955, 11825, 13575, 23349, 29865, 35475, 38915, 49775, 85613, 116745, 149325, 194575, 256839, 428065, 583725, 1284195, 2140325, 6420975]

約数ペア:

[(1, 6420975), (3, 2140325), (5, 1284195), (11, 583725), (15, 428065), (25, 256839), (33, 194575), (43, 149325), (55, 116745), (75, 85613), (129, 49775), (165, 38915), (181, 35475), (215, 29865), (275, 23349), (473, 13575), (543, 11825), (645, 9955), (825, 7783), (905, 7095), (1075, 5973), (1419, 4525), (1991, 3225), (2365, 2715)]