263394735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{10753}}^1$

素因数の和:10855

約数の個数: 32

約数和(自身を含む): 445989888

約数和(自身を除く): 182595153

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 10753, 24495, 32259, 53765, 161295, 247319, 741957, 763463, 1236595, 2290389, 3709785, 3817315, 11451945, 17559649, 52678947, 87798245, 263394735]

約数ペア:

[(1, 263394735), (3, 87798245), (5, 52678947), (15, 17559649), (23, 11451945), (69, 3817315), (71, 3709785), (115, 2290389), (213, 1236595), (345, 763463), (355, 741957), (1065, 247319), (1633, 161295), (4899, 53765), (8165, 32259), (10753, 24495)]