28954155

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 48549888

約数和(自身を除く): 19595733

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 877, 1065, 2201, 2631, 4385, 6603, 11005, 13155, 27187, 33015, 62267, 81561, 135935, 186801, 311335, 407805, 934005, 1930277, 5790831, 9651385, 28954155]

約数ペア:

[(1, 28954155), (3, 9651385), (5, 5790831), (15, 1930277), (31, 934005), (71, 407805), (93, 311335), (155, 186801), (213, 135935), (355, 81561), (465, 62267), (877, 33015), (1065, 27187), (2201, 13155), (2631, 11005), (4385, 6603)]