6645990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17041}}^1$

素因数の和:17064

約数の個数: 32

約数和(自身を含む): 17178336

約数和(自身を除く): 10532346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 17041, 34082, 51123, 85205, 102246, 170410, 221533, 255615, 443066, 511230, 664599, 1107665, 1329198, 2215330, 3322995, 6645990]

約数ペア:

[(1, 6645990), (2, 3322995), (3, 2215330), (5, 1329198), (6, 1107665), (10, 664599), (13, 511230), (15, 443066), (26, 255615), (30, 221533), (39, 170410), (65, 102246), (78, 85205), (130, 51123), (195, 34082), (390, 17041)]