28270215

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 53117064

約数和(自身を除く): 24846849

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 83, 87, 135, 145, 249, 261, 405, 415, 435, 747, 783, 841, 1245, 1305, 2241, 2349, 2407, 2523, 3735, 3915, 4205, 6723, 7221, 7569, 11205, 11745, 12035, 12615, 21663, 22707, 33615, 36105, 37845, 64989, 68121, 69803, 108315, 113535, 194967, 209409, 324945, 340605, 349015, 628227, 974835, 1047045, 1884681, 3141135, 5654043, 9423405, 28270215]

約数ペア:

[(1, 28270215), (3, 9423405), (5, 5654043), (9, 3141135), (15, 1884681), (27, 1047045), (29, 974835), (45, 628227), (81, 349015), (83, 340605), (87, 324945), (135, 209409), (145, 194967), (249, 113535), (261, 108315), (405, 69803), (415, 68121), (435, 64989), (747, 37845), (783, 36105), (841, 33615), (1245, 22707), (1305, 21663), (2241, 12615), (2349, 12035), (2407, 11745), (2523, 11205), (3735, 7569), (3915, 7221), (4205, 6723)]