81013338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 207774720

約数和(自身を除く): 126761382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 107, 126, 189, 214, 321, 378, 642, 749, 963, 1498, 1926, 2003, 2247, 2889, 4006, 4494, 5778, 6009, 6741, 12018, 13482, 14021, 18027, 20223, 28042, 36054, 40446, 42063, 54081, 84126, 108162, 126189, 214321, 252378, 378567, 428642, 642963, 757134, 1285926, 1500247, 1928889, 3000494, 3857778, 4500741, 5786667, 9001482, 11573334, 13502223, 27004446, 40506669, 81013338]

約数ペア:

[(1, 81013338), (2, 40506669), (3, 27004446), (6, 13502223), (7, 11573334), (9, 9001482), (14, 5786667), (18, 4500741), (21, 3857778), (27, 3000494), (42, 1928889), (54, 1500247), (63, 1285926), (107, 757134), (126, 642963), (189, 428642), (214, 378567), (321, 252378), (378, 214321), (642, 126189), (749, 108162), (963, 84126), (1498, 54081), (1926, 42063), (2003, 40446), (2247, 36054), (2889, 28042), (4006, 20223), (4494, 18027), (5778, 14021), (6009, 13482), (6741, 12018)]