27220655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 15910225

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4159, 6545, 20795, 29113, 45749, 70703, 145565, 228745, 320243, 353515, 494921, 777733, 1601215, 2474605, 3888665, 5444131, 27220655]

約数ペア:

[(1, 27220655), (5, 5444131), (7, 3888665), (11, 2474605), (17, 1601215), (35, 777733), (55, 494921), (77, 353515), (85, 320243), (119, 228745), (187, 145565), (385, 70703), (595, 45749), (935, 29113), (1309, 20795), (4159, 6545)]