138455325

素因数分解:

$3^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 84

約数和(自身を含む): 263474208

約数和(自身を除く): 125018883

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 107, 135, 213, 225, 243, 321, 355, 405, 535, 639, 675, 729, 963, 1065, 1215, 1605, 1775, 1917, 2025, 2675, 2889, 3195, 3645, 4815, 5325, 5751, 6075, 7597, 8025, 8667, 9585, 14445, 15975, 17253, 18225, 22791, 24075, 26001, 28755, 37985, 43335, 47925, 51759, 68373, 72225, 78003, 86265, 113955, 130005, 143775, 189925, 205119, 216675, 258795, 341865, 390015, 431325, 569775, 615357, 650025, 1025595, 1293975, 1709325, 1846071, 1950075, 3076785, 5127975, 5538213, 9230355, 15383925, 27691065, 46151775, 138455325]

約数ペア:

[(1, 138455325), (3, 46151775), (5, 27691065), (9, 15383925), (15, 9230355), (25, 5538213), (27, 5127975), (45, 3076785), (71, 1950075), (75, 1846071), (81, 1709325), (107, 1293975), (135, 1025595), (213, 650025), (225, 615357), (243, 569775), (321, 431325), (355, 390015), (405, 341865), (535, 258795), (639, 216675), (675, 205119), (729, 189925), (963, 143775), (1065, 130005), (1215, 113955), (1605, 86265), (1775, 78003), (1917, 72225), (2025, 68373), (2675, 51759), (2889, 47925), (3195, 43335), (3645, 37985), (4815, 28755), (5325, 26001), (5751, 24075), (6075, 22791), (7597, 18225), (8025, 17253), (8667, 15975), (9585, 14445)]