81622665

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 64617975

約数列:

[1, 3, 5, 9, 15, 45, 59, 71, 177, 213, 295, 355, 433, 531, 639, 885, 1065, 1299, 2165, 2655, 3195, 3897, 4189, 6495, 12567, 19485, 20945, 25547, 30743, 37701, 62835, 76641, 92229, 127735, 153715, 188505, 229923, 276687, 383205, 461145, 1149615, 1383435, 1813837, 5441511, 9069185, 16324533, 27207555, 81622665]

約数ペア:

[(1, 81622665), (3, 27207555), (5, 16324533), (9, 9069185), (15, 5441511), (45, 1813837), (59, 1383435), (71, 1149615), (177, 461145), (213, 383205), (295, 276687), (355, 229923), (433, 188505), (531, 153715), (639, 127735), (885, 92229), (1065, 76641), (1299, 62835), (2165, 37701), (2655, 30743), (3195, 25547), (3897, 20945), (4189, 19485), (6495, 12567)]