400725315

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 711154080

約数和(自身を除く): 310428765

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 401, 419, 477, 795, 1203, 1257, 2005, 2095, 2385, 3609, 3771, 6015, 6285, 18045, 18855, 21253, 22207, 63759, 66621, 106265, 111035, 168019, 191277, 199863, 318795, 333105, 504057, 840095, 956385, 999315, 1512171, 2520285, 7560855, 8905007, 26715021, 44525035, 80145063, 133575105, 400725315]

約数ペア:

[(1, 400725315), (3, 133575105), (5, 80145063), (9, 44525035), (15, 26715021), (45, 8905007), (53, 7560855), (159, 2520285), (265, 1512171), (401, 999315), (419, 956385), (477, 840095), (795, 504057), (1203, 333105), (1257, 318795), (2005, 199863), (2095, 191277), (2385, 168019), (3609, 111035), (3771, 106265), (6015, 66621), (6285, 63759), (18045, 22207), (18855, 21253)]