67787421

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 106813440

約数和(自身を除く): 39026019

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 169, 227, 247, 403, 507, 589, 681, 741, 1209, 1767, 2951, 3211, 4313, 5239, 7037, 7657, 8853, 9633, 12939, 15717, 21111, 22971, 38363, 56069, 91481, 99541, 115089, 133703, 168207, 274443, 298623, 401109, 728897, 1189253, 1738139, 2186691, 3567759, 5214417, 22595807, 67787421]

約数ペア:

[(1, 67787421), (3, 22595807), (13, 5214417), (19, 3567759), (31, 2186691), (39, 1738139), (57, 1189253), (93, 728897), (169, 401109), (227, 298623), (247, 274443), (403, 168207), (507, 133703), (589, 115089), (681, 99541), (741, 91481), (1209, 56069), (1767, 38363), (2951, 22971), (3211, 21111), (4313, 15717), (5239, 12939), (7037, 9633), (7657, 8853)]