31077345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 25822239

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 97, 155, 159, 195, 265, 291, 403, 465, 485, 689, 795, 1209, 1261, 1455, 1643, 2015, 2067, 3007, 3445, 3783, 4929, 5141, 6045, 6305, 8215, 9021, 10335, 15035, 15423, 18915, 21359, 24645, 25705, 39091, 45105, 64077, 66833, 77115, 106795, 117273, 159371, 195455, 200499, 320385, 334165, 478113, 586365, 796855, 1002495, 2071823, 2390565, 6215469, 10359115, 31077345]

約数ペア:

[(1, 31077345), (3, 10359115), (5, 6215469), (13, 2390565), (15, 2071823), (31, 1002495), (39, 796855), (53, 586365), (65, 478113), (93, 334165), (97, 320385), (155, 200499), (159, 195455), (195, 159371), (265, 117273), (291, 106795), (403, 77115), (465, 66833), (485, 64077), (689, 45105), (795, 39091), (1209, 25705), (1261, 24645), (1455, 21359), (1643, 18915), (2015, 15423), (2067, 15035), (3007, 10335), (3445, 9021), (3783, 8215), (4929, 6305), (5141, 6045)]