31121145

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 32469255

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1045, 1103, 1485, 1881, 2565, 3135, 3309, 5515, 5643, 9405, 9927, 12133, 16545, 20957, 28215, 29781, 36399, 49635, 60665, 62871, 104785, 109197, 148905, 181995, 188613, 230527, 314355, 327591, 545985, 565839, 691581, 943065, 1152635, 1637955, 2074743, 2829195, 3457905, 6224229, 10373715, 31121145]

約数ペア:

[(1, 31121145), (3, 10373715), (5, 6224229), (9, 3457905), (11, 2829195), (15, 2074743), (19, 1637955), (27, 1152635), (33, 943065), (45, 691581), (55, 565839), (57, 545985), (95, 327591), (99, 314355), (135, 230527), (165, 188613), (171, 181995), (209, 148905), (285, 109197), (297, 104785), (495, 62871), (513, 60665), (627, 49635), (855, 36399), (1045, 29781), (1103, 28215), (1485, 20957), (1881, 16545), (2565, 12133), (3135, 9927), (3309, 9405), (5515, 5643)]