287096.0000000

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 15080832

約数和(自身を除く): 7000587

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 211, 333, 345, 555, 633, 851, 1035, 1055, 1665, 1899, 2553, 3165, 4255, 4853, 7659, 7807, 9495, 12765, 14559, 23421, 24265, 38295, 39035, 43677, 70263, 72795, 117105, 179561, 218385, 351315, 538683, 897805, 1616049, 2693415, 8080245]

約数ペア:

[(1, 8080245), (3, 2693415), (5, 1616049), (9, 897805), (15, 538683), (23, 351315), (37, 218385), (45, 179561), (69, 117105), (111, 72795), (115, 70263), (185, 43677), (207, 39035), (211, 38295), (333, 24265), (345, 23421), (555, 14559), (633, 12765), (851, 9495), (1035, 7807), (1055, 7659), (1665, 4853), (1899, 4255), (2553, 3165)]