27388179

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 23576301

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 117, 157, 189, 213, 273, 351, 471, 497, 639, 819, 923, 1099, 1413, 1491, 1917, 2041, 2457, 2769, 3297, 4239, 4473, 6123, 6461, 8307, 9891, 11147, 13419, 14287, 18369, 19383, 24921, 29673, 33441, 42861, 55107, 58149, 78029, 100323, 128583, 144911, 174447, 234087, 300969, 385749, 434733, 702261, 1014377, 1304199, 2106783, 3043131, 3912597, 9129393, 27388179]

約数ペア:

[(1, 27388179), (3, 9129393), (7, 3912597), (9, 3043131), (13, 2106783), (21, 1304199), (27, 1014377), (39, 702261), (63, 434733), (71, 385749), (91, 300969), (117, 234087), (157, 174447), (189, 144911), (213, 128583), (273, 100323), (351, 78029), (471, 58149), (497, 55107), (639, 42861), (819, 33441), (923, 29673), (1099, 24921), (1413, 19383), (1491, 18369), (1917, 14287), (2041, 13419), (2457, 11147), (2769, 9891), (3297, 8307), (4239, 6461), (4473, 6123)]