149849721

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 253913088

約数和(自身を除く): 104063367

約数列:

[1, 3, 7, 9, 21, 63, 67, 131, 201, 271, 393, 469, 603, 813, 917, 1179, 1407, 1897, 2439, 2751, 4221, 5691, 8253, 8777, 17073, 18157, 26331, 35501, 54471, 61439, 78993, 106503, 127099, 163413, 184317, 248507, 319509, 381297, 552951, 745521, 1143891, 2236563, 2378567, 7135701, 16649969, 21407103, 49949907, 149849721]

約数ペア:

[(1, 149849721), (3, 49949907), (7, 21407103), (9, 16649969), (21, 7135701), (63, 2378567), (67, 2236563), (131, 1143891), (201, 745521), (271, 552951), (393, 381297), (469, 319509), (603, 248507), (813, 184317), (917, 163413), (1179, 127099), (1407, 106503), (1897, 78993), (2439, 61439), (2751, 54471), (4221, 35501), (5691, 26331), (8253, 18157), (8777, 17073)]