42640335

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 79017120

約数和(自身を除く): 36376785

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 139, 153, 255, 401, 417, 695, 765, 1203, 1251, 2005, 2085, 2363, 3609, 6015, 6255, 6817, 7089, 11815, 18045, 20451, 21267, 34085, 35445, 55739, 61353, 102255, 106335, 167217, 278695, 306765, 501651, 836085, 947563, 2508255, 2842689, 4737815, 8528067, 14213445, 42640335]

約数ペア:

[(1, 42640335), (3, 14213445), (5, 8528067), (9, 4737815), (15, 2842689), (17, 2508255), (45, 947563), (51, 836085), (85, 501651), (139, 306765), (153, 278695), (255, 167217), (401, 106335), (417, 102255), (695, 61353), (765, 55739), (1203, 35445), (1251, 34085), (2005, 21267), (2085, 20451), (2363, 18045), (3609, 11815), (6015, 7089), (6255, 6817)]