61516623

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 100569600

約数和(自身を除く): 39052977

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 2909, 3021, 7049, 8727, 20363, 21147, 55271, 61089, 154177, 165813, 386897, 462531, 1079239, 1160691, 2929363, 3237717, 8788089, 20505541, 61516623]

約数ペア:

[(1, 61516623), (3, 20505541), (7, 8788089), (19, 3237717), (21, 2929363), (53, 1160691), (57, 1079239), (133, 462531), (159, 386897), (371, 165813), (399, 154177), (1007, 61089), (1113, 55271), (2909, 21147), (3021, 20363), (7049, 8727)]