39984075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 77376000

約数和(自身を除く): 37391925

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 199, 225, 235, 285, 423, 475, 597, 705, 855, 893, 995, 1175, 1425, 1791, 2115, 2679, 2985, 3525, 3781, 4275, 4465, 4975, 8037, 8955, 9353, 10575, 11343, 13395, 14925, 18905, 22325, 28059, 34029, 40185, 44775, 46765, 56715, 66975, 84177, 94525, 140295, 170145, 177707, 200925, 233825, 283575, 420885, 533121, 701475, 850725, 888535, 1599363, 2104425, 2665605, 4442675, 7996815, 13328025, 39984075]

約数ペア:

[(1, 39984075), (3, 13328025), (5, 7996815), (9, 4442675), (15, 2665605), (19, 2104425), (25, 1599363), (45, 888535), (47, 850725), (57, 701475), (75, 533121), (95, 420885), (141, 283575), (171, 233825), (199, 200925), (225, 177707), (235, 170145), (285, 140295), (423, 94525), (475, 84177), (597, 66975), (705, 56715), (855, 46765), (893, 44775), (995, 40185), (1175, 34029), (1425, 28059), (1791, 22325), (2115, 18905), (2679, 14925), (2985, 13395), (3525, 11343), (3781, 10575), (4275, 9353), (4465, 8955), (4975, 8037)]