18448047

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 29045760

約数和(自身を除く): 10597713

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 487, 549, 621, 1403, 1461, 1647, 4209, 4383, 11201, 12627, 13149, 29707, 33603, 37881, 89121, 100809, 267363, 302427, 683261, 802089, 2049783, 6149349, 18448047]

約数ペア:

[(1, 18448047), (3, 6149349), (9, 2049783), (23, 802089), (27, 683261), (61, 302427), (69, 267363), (183, 100809), (207, 89121), (487, 37881), (549, 33603), (621, 29707), (1403, 13149), (1461, 12627), (1647, 11201), (4209, 4383)]