81002075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 129634560

約数和(自身を除く): 48632485

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 203, 275, 319, 385, 725, 1015, 1451, 1595, 1925, 2233, 5075, 7255, 7975, 10157, 11165, 15961, 36275, 42079, 50785, 55825, 79805, 111727, 210395, 253925, 294553, 399025, 462869, 558635, 1051975, 1472765, 2314345, 2793175, 3240083, 7363825, 11571725, 16200415, 81002075]

約数ペア:

[(1, 81002075), (5, 16200415), (7, 11571725), (11, 7363825), (25, 3240083), (29, 2793175), (35, 2314345), (55, 1472765), (77, 1051975), (145, 558635), (175, 462869), (203, 399025), (275, 294553), (319, 253925), (385, 210395), (725, 111727), (1015, 79805), (1451, 55825), (1595, 50785), (1925, 42079), (2233, 36275), (5075, 15961), (7255, 11165), (7975, 10157)]