201979911

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 326860800

約数和(自身を除く): 124880889

約数列:

[1, 3, 7, 21, 31, 49, 93, 127, 147, 217, 349, 381, 651, 889, 1047, 1519, 2443, 2667, 3937, 4557, 6223, 7329, 10819, 11811, 17101, 18669, 27559, 32457, 44323, 51303, 75733, 82677, 132969, 192913, 227199, 310261, 530131, 578739, 930783, 1374013, 1590393, 2171827, 4122039, 6515481, 9618091, 28854273, 67326637, 201979911]

約数ペア:

[(1, 201979911), (3, 67326637), (7, 28854273), (21, 9618091), (31, 6515481), (49, 4122039), (93, 2171827), (127, 1590393), (147, 1374013), (217, 930783), (349, 578739), (381, 530131), (651, 310261), (889, 227199), (1047, 192913), (1519, 132969), (2443, 82677), (2667, 75733), (3937, 51303), (4557, 44323), (6223, 32457), (7329, 27559), (10819, 18669), (11811, 17101)]