87974541

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 144555840

約数和(自身を除く): 56581299

約数列:

[1, 3, 9, 17, 19, 51, 53, 57, 153, 159, 171, 323, 477, 571, 901, 969, 1007, 1713, 2703, 2907, 3021, 5139, 8109, 9063, 9707, 10849, 17119, 29121, 30263, 32547, 51357, 87363, 90789, 97641, 154071, 184433, 272367, 514471, 553299, 574997, 1543413, 1659897, 1724991, 4630239, 5174973, 9774949, 29324847, 87974541]

約数ペア:

[(1, 87974541), (3, 29324847), (9, 9774949), (17, 5174973), (19, 4630239), (51, 1724991), (53, 1659897), (57, 1543413), (153, 574997), (159, 553299), (171, 514471), (323, 272367), (477, 184433), (571, 154071), (901, 97641), (969, 90789), (1007, 87363), (1713, 51357), (2703, 32547), (2907, 30263), (3021, 29121), (5139, 17119), (8109, 10849), (9063, 9707)]