213945990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{7131533}}^1$

素因数の和:7131543

約数の個数: 16

約数和(自身を含む): 513470448

約数和(自身を除く): 299524458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 7131533, 14263066, 21394599, 35657665, 42789198, 71315330, 106972995, 213945990]

約数ペア:

[(1, 213945990), (2, 106972995), (3, 71315330), (5, 42789198), (6, 35657665), (10, 21394599), (15, 14263066), (30, 7131533)]