30947409

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2549}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 47736000

約数和(自身を除く): 16788591

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2549, 4047, 7647, 12141, 22941, 48431, 145293, 180979, 435879, 542937, 1628811, 3438601, 10315803, 30947409]

約数ペア:

[(1, 30947409), (3, 10315803), (9, 3438601), (19, 1628811), (57, 542937), (71, 435879), (171, 180979), (213, 145293), (639, 48431), (1349, 22941), (2549, 12141), (4047, 7647)]