155890755

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 277688736

約数和(自身を除く): 121797981

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 163, 265, 401, 477, 489, 795, 815, 1203, 1467, 2005, 2385, 2445, 3609, 6015, 7335, 8639, 18045, 21253, 25917, 43195, 63759, 65363, 77751, 106265, 129585, 191277, 196089, 318795, 326815, 388755, 588267, 956385, 980445, 2941335, 3464239, 10392717, 17321195, 31178151, 51963585, 155890755]

約数ペア:

[(1, 155890755), (3, 51963585), (5, 31178151), (9, 17321195), (15, 10392717), (45, 3464239), (53, 2941335), (159, 980445), (163, 956385), (265, 588267), (401, 388755), (477, 326815), (489, 318795), (795, 196089), (815, 191277), (1203, 129585), (1467, 106265), (2005, 77751), (2385, 65363), (2445, 63759), (3609, 43195), (6015, 25917), (7335, 21253), (8639, 18045)]