42400815

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 69949440

約数和(自身を除く): 27548625

約数列:

[1, 3, 5, 15, 47, 137, 141, 235, 411, 439, 685, 705, 1317, 2055, 2195, 6439, 6585, 19317, 20633, 32195, 60143, 61899, 96585, 103165, 180429, 300715, 309495, 902145, 2826721, 8480163, 14133605, 42400815]

約数ペア:

[(1, 42400815), (3, 14133605), (5, 8480163), (15, 2826721), (47, 902145), (137, 309495), (141, 300715), (235, 180429), (411, 103165), (439, 96585), (685, 61899), (705, 60143), (1317, 32195), (2055, 20633), (2195, 19317), (6439, 6585)]