1320885

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 2316600

約数和(自身を除く): 995715

約数列:

[1, 3, 5, 9, 15, 45, 149, 197, 447, 591, 745, 985, 1341, 1773, 2235, 2955, 6705, 8865, 29353, 88059, 146765, 264177, 440295, 1320885]

約数ペア:

[(1, 1320885), (3, 440295), (5, 264177), (9, 146765), (15, 88059), (45, 29353), (149, 8865), (197, 6705), (447, 2955), (591, 2235), (745, 1773), (985, 1341)]