17983251

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 31056480

約数和(自身を除く): 13073229

約数列:

[1, 3, 9, 11, 13, 33, 39, 89, 99, 117, 143, 157, 267, 429, 471, 801, 979, 1157, 1287, 1413, 1727, 2041, 2937, 3471, 5181, 6123, 8811, 10413, 12727, 13973, 15543, 18369, 22451, 38181, 41919, 67353, 114543, 125757, 153703, 181649, 202059, 461109, 544947, 1383327, 1634841, 1998139, 5994417, 17983251]

約数ペア:

[(1, 17983251), (3, 5994417), (9, 1998139), (11, 1634841), (13, 1383327), (33, 544947), (39, 461109), (89, 202059), (99, 181649), (117, 153703), (143, 125757), (157, 114543), (267, 67353), (429, 41919), (471, 38181), (801, 22451), (979, 18369), (1157, 15543), (1287, 13973), (1413, 12727), (1727, 10413), (2041, 8811), (2937, 6123), (3471, 5181)]