42987945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 94227840

約数和(自身を除く): 51239895

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 49, 55, 65, 77, 91, 105, 143, 147, 165, 195, 231, 245, 273, 385, 409, 429, 455, 539, 637, 715, 735, 1001, 1155, 1227, 1365, 1617, 1911, 2045, 2145, 2695, 2863, 3003, 3185, 4499, 5005, 5317, 6135, 7007, 8085, 8589, 9555, 13497, 14315, 15015, 15951, 20041, 21021, 22495, 26585, 31493, 35035, 37219, 42945, 58487, 60123, 67485, 79755, 94479, 100205, 105105, 111657, 157465, 175461, 186095, 220451, 260533, 292435, 300615, 409409, 472395, 558285, 661353, 781599, 877305, 1102255, 1228227, 1302665, 2047045, 2865863, 3306765, 3907995, 6141135, 8597589, 14329315, 42987945]

約数ペア:

[(1, 42987945), (3, 14329315), (5, 8597589), (7, 6141135), (11, 3907995), (13, 3306765), (15, 2865863), (21, 2047045), (33, 1302665), (35, 1228227), (39, 1102255), (49, 877305), (55, 781599), (65, 661353), (77, 558285), (91, 472395), (105, 409409), (143, 300615), (147, 292435), (165, 260533), (195, 220451), (231, 186095), (245, 175461), (273, 157465), (385, 111657), (409, 105105), (429, 100205), (455, 94479), (539, 79755), (637, 67485), (715, 60123), (735, 58487), (1001, 42945), (1155, 37219), (1227, 35035), (1365, 31493), (1617, 26585), (1911, 22495), (2045, 21021), (2145, 20041), (2695, 15951), (2863, 15015), (3003, 14315), (3185, 13497), (4499, 9555), (5005, 8589), (5317, 8085), (6135, 7007)]