31464741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 24937179

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 67, 77, 107, 133, 201, 209, 231, 321, 399, 469, 627, 737, 749, 1177, 1273, 1407, 1463, 2033, 2211, 2247, 3531, 3819, 4389, 5159, 6099, 7169, 8239, 8911, 14003, 14231, 15477, 21507, 22363, 24717, 26733, 42009, 42693, 50183, 67089, 78859, 98021, 136211, 150549, 156541, 236577, 294063, 408633, 469623, 552013, 953477, 1498321, 1656039, 2860431, 4494963, 10488247, 31464741]

約数ペア:

[(1, 31464741), (3, 10488247), (7, 4494963), (11, 2860431), (19, 1656039), (21, 1498321), (33, 953477), (57, 552013), (67, 469623), (77, 408633), (107, 294063), (133, 236577), (201, 156541), (209, 150549), (231, 136211), (321, 98021), (399, 78859), (469, 67089), (627, 50183), (737, 42693), (749, 42009), (1177, 26733), (1273, 24717), (1407, 22363), (1463, 21507), (2033, 15477), (2211, 14231), (2247, 14003), (3531, 8911), (3819, 8239), (4389, 7169), (5159, 6099)]