249575691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 369515520

約数和(自身を除く): 119939829

約数列:

[1, 3, 17, 23, 51, 69, 263, 391, 789, 809, 1173, 2427, 4471, 6049, 13413, 13753, 18147, 18607, 41259, 55821, 102833, 212767, 308499, 316319, 638301, 948957, 3617039, 4893641, 10851117, 14680923, 83191897, 249575691]

約数ペア:

[(1, 249575691), (3, 83191897), (17, 14680923), (23, 10851117), (51, 4893641), (69, 3617039), (263, 948957), (391, 638301), (789, 316319), (809, 308499), (1173, 212767), (2427, 102833), (4471, 55821), (6049, 41259), (13413, 18607), (13753, 18147)]