401045673

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{3911}}^1$

素因数の和:4197

約数の個数: 32

約数和(自身を含む): 645949440

約数和(自身を除く): 244903767

約数列:

[1, 3, 7, 19, 21, 57, 133, 257, 399, 771, 1799, 3911, 4883, 5397, 11733, 14649, 27377, 34181, 74309, 82131, 102543, 222927, 520163, 1005127, 1560489, 3015381, 7035889, 19097413, 21107667, 57292239, 133681891, 401045673]

約数ペア:

[(1, 401045673), (3, 133681891), (7, 57292239), (19, 21107667), (21, 19097413), (57, 7035889), (133, 3015381), (257, 1560489), (399, 1005127), (771, 520163), (1799, 222927), (3911, 102543), (4883, 82131), (5397, 74309), (11733, 34181), (14649, 27377)]