18171315

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 33864480

約数和(自身を除く): 15693165

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 401, 477, 795, 855, 1007, 1203, 2005, 2385, 3021, 3609, 5035, 6015, 7619, 9063, 15105, 18045, 21253, 22857, 38095, 45315, 63759, 68571, 106265, 114285, 191277, 318795, 342855, 403807, 956385, 1211421, 2019035, 3634263, 6057105, 18171315]

約数ペア:

[(1, 18171315), (3, 6057105), (5, 3634263), (9, 2019035), (15, 1211421), (19, 956385), (45, 403807), (53, 342855), (57, 318795), (95, 191277), (159, 114285), (171, 106265), (265, 68571), (285, 63759), (401, 45315), (477, 38095), (795, 22857), (855, 21253), (1007, 18045), (1203, 15105), (2005, 9063), (2385, 7619), (3021, 6015), (3609, 5035)]