129027978

素因数分解:

$2^1\times 3^4\times {\mathrm{271}}^1\times {\mathrm{2939}}^1$

素因数の和:3224

約数の個数: 40

約数和(自身を含む): 290283840

約数和(自身を除く): 161255862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 271, 542, 813, 1626, 2439, 2939, 4878, 5878, 7317, 8817, 14634, 17634, 21951, 26451, 43902, 52902, 79353, 158706, 238059, 476118, 796469, 1592938, 2389407, 4778814, 7168221, 14336442, 21504663, 43009326, 64513989, 129027978]

約数ペア:

[(1, 129027978), (2, 64513989), (3, 43009326), (6, 21504663), (9, 14336442), (18, 7168221), (27, 4778814), (54, 2389407), (81, 1592938), (162, 796469), (271, 476118), (542, 238059), (813, 158706), (1626, 79353), (2439, 52902), (2939, 43902), (4878, 26451), (5878, 21951), (7317, 17634), (8817, 14634)]