201918171

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 339922464

約数和(自身を除く): 138004293

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 157, 273, 471, 637, 673, 1099, 1911, 2019, 2041, 3297, 4711, 6123, 7693, 8749, 14133, 14287, 23079, 26247, 32977, 42861, 61243, 98931, 100009, 105661, 183729, 300027, 316983, 428701, 739627, 1286103, 1373593, 2218881, 4120779, 5177389, 9615151, 15532167, 28845453, 67306057, 201918171]

約数ペア:

[(1, 201918171), (3, 67306057), (7, 28845453), (13, 15532167), (21, 9615151), (39, 5177389), (49, 4120779), (91, 2218881), (147, 1373593), (157, 1286103), (273, 739627), (471, 428701), (637, 316983), (673, 300027), (1099, 183729), (1911, 105661), (2019, 100009), (2041, 98931), (3297, 61243), (4711, 42861), (6123, 32977), (7693, 26247), (8749, 23079), (14133, 14287)]