155516949

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7549}}^1$

素因数の和:7674

約数の個数: 32

約数和(自身を含む): 265760000

約数和(自身を除く): 110243051

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 7549, 20601, 22647, 52843, 67941, 158529, 203823, 475587, 822841, 1426761, 2468523, 5759887, 7405569, 17279661, 22216707, 51838983, 155516949]

約数ペア:

[(1, 155516949), (3, 51838983), (7, 22216707), (9, 17279661), (21, 7405569), (27, 5759887), (63, 2468523), (109, 1426761), (189, 822841), (327, 475587), (763, 203823), (981, 158529), (2289, 67941), (2943, 52843), (6867, 22647), (7549, 20601)]