28551465

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 51856896

約数和(自身を除く): 23305431

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 97, 155, 211, 279, 291, 465, 485, 633, 873, 1055, 1395, 1455, 1899, 3007, 3165, 4365, 6541, 9021, 9495, 15035, 19623, 20467, 27063, 32705, 45105, 58869, 61401, 98115, 102335, 135315, 184203, 294345, 307005, 634477, 921015, 1903431, 3172385, 5710293, 9517155, 28551465]

約数ペア:

[(1, 28551465), (3, 9517155), (5, 5710293), (9, 3172385), (15, 1903431), (31, 921015), (45, 634477), (93, 307005), (97, 294345), (155, 184203), (211, 135315), (279, 102335), (291, 98115), (465, 61401), (485, 58869), (633, 45105), (873, 32705), (1055, 27063), (1395, 20467), (1455, 19623), (1899, 15035), (3007, 9495), (3165, 9021), (4365, 6541)]