42015555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 77394720

約数和(自身を除く): 35379165

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 285, 313, 471, 785, 855, 939, 1413, 1565, 2355, 2817, 2983, 4695, 5947, 7065, 8949, 14085, 14915, 17841, 26847, 29735, 44745, 49141, 53523, 89205, 134235, 147423, 245705, 267615, 442269, 737115, 933679, 2211345, 2801037, 4668395, 8403111, 14005185, 42015555]

約数ペア:

[(1, 42015555), (3, 14005185), (5, 8403111), (9, 4668395), (15, 2801037), (19, 2211345), (45, 933679), (57, 737115), (95, 442269), (157, 267615), (171, 245705), (285, 147423), (313, 134235), (471, 89205), (785, 53523), (855, 49141), (939, 44745), (1413, 29735), (1565, 26847), (2355, 17841), (2817, 14915), (2983, 14085), (4695, 8949), (5947, 7065)]