30987345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 52939008

約数和(自身を除く): 21951663

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 685, 887, 2055, 2329, 2661, 4435, 6987, 11645, 13305, 15079, 34935, 45237, 75395, 121519, 226185, 364557, 607595, 1822785, 2065823, 6197469, 10329115, 30987345]

約数ペア:

[(1, 30987345), (3, 10329115), (5, 6197469), (15, 2065823), (17, 1822785), (51, 607595), (85, 364557), (137, 226185), (255, 121519), (411, 75395), (685, 45237), (887, 34935), (2055, 15079), (2329, 13305), (2661, 11645), (4435, 6987)]