27860175

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 108

約数和(自身を含む): 61417200

約数和(自身を除く): 33557025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 49, 57, 63, 75, 95, 105, 133, 147, 171, 175, 225, 245, 285, 315, 343, 361, 399, 441, 475, 525, 665, 735, 855, 931, 1029, 1083, 1197, 1225, 1425, 1575, 1715, 1805, 1995, 2205, 2527, 2793, 3087, 3249, 3325, 3675, 4275, 4655, 5145, 5415, 5985, 6517, 7581, 8379, 8575, 9025, 9975, 11025, 12635, 13965, 15435, 16245, 17689, 19551, 22743, 23275, 25725, 27075, 29925, 32585, 37905, 41895, 53067, 58653, 63175, 69825, 77175, 81225, 88445, 97755, 113715, 123823, 159201, 162925, 189525, 209475, 265335, 293265, 371469, 442225, 488775, 568575, 619115, 796005, 1114407, 1326675, 1466325, 1857345, 3095575, 3980025, 5572035, 9286725, 27860175]

約数ペア:

[(1, 27860175), (3, 9286725), (5, 5572035), (7, 3980025), (9, 3095575), (15, 1857345), (19, 1466325), (21, 1326675), (25, 1114407), (35, 796005), (45, 619115), (49, 568575), (57, 488775), (63, 442225), (75, 371469), (95, 293265), (105, 265335), (133, 209475), (147, 189525), (171, 162925), (175, 159201), (225, 123823), (245, 113715), (285, 97755), (315, 88445), (343, 81225), (361, 77175), (399, 69825), (441, 63175), (475, 58653), (525, 53067), (665, 41895), (735, 37905), (855, 32585), (931, 29925), (1029, 27075), (1083, 25725), (1197, 23275), (1225, 22743), (1425, 19551), (1575, 17689), (1715, 16245), (1805, 15435), (1995, 13965), (2205, 12635), (2527, 11025), (2793, 9975), (3087, 9025), (3249, 8575), (3325, 8379), (3675, 7581), (4275, 6517), (4655, 5985), (5145, 5415)]