28534155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 23623797

約数列:

[1, 3, 5, 13, 15, 39, 41, 43, 65, 83, 123, 129, 195, 205, 215, 249, 415, 533, 559, 615, 645, 1079, 1245, 1599, 1677, 1763, 2665, 2795, 3237, 3403, 3569, 5289, 5395, 7995, 8385, 8815, 10209, 10707, 16185, 17015, 17845, 22919, 26445, 44239, 46397, 51045, 53535, 68757, 114595, 132717, 139191, 146329, 221195, 231985, 343785, 438987, 663585, 695955, 731645, 1902277, 2194935, 5706831, 9511385, 28534155]

約数ペア:

[(1, 28534155), (3, 9511385), (5, 5706831), (13, 2194935), (15, 1902277), (39, 731645), (41, 695955), (43, 663585), (65, 438987), (83, 343785), (123, 231985), (129, 221195), (195, 146329), (205, 139191), (215, 132717), (249, 114595), (415, 68757), (533, 53535), (559, 51045), (615, 46397), (645, 44239), (1079, 26445), (1245, 22919), (1599, 17845), (1677, 17015), (1763, 16185), (2665, 10707), (2795, 10209), (3237, 8815), (3403, 8385), (3569, 7995), (5289, 5395)]