68689131

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 111557664

約数和(自身を除く): 42868533

約数列:

[1, 3, 7, 21, 37, 49, 73, 111, 147, 173, 219, 259, 511, 519, 777, 1211, 1533, 1813, 2701, 3577, 3633, 5439, 6401, 8103, 8477, 10731, 12629, 18907, 19203, 25431, 37887, 44807, 56721, 88403, 132349, 134421, 265209, 313649, 397047, 467273, 618821, 940947, 1401819, 1856463, 3270911, 9812733, 22896377, 68689131]

約数ペア:

[(1, 68689131), (3, 22896377), (7, 9812733), (21, 3270911), (37, 1856463), (49, 1401819), (73, 940947), (111, 618821), (147, 467273), (173, 397047), (219, 313649), (259, 265209), (511, 134421), (519, 132349), (777, 88403), (1211, 56721), (1533, 44807), (1813, 37887), (2701, 25431), (3577, 19203), (3633, 18907), (5439, 12629), (6401, 10731), (8103, 8477)]