31561623

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 48307200

約数和(自身を除く): 16745577

約数列:

[1, 3, 9, 27, 67, 73, 201, 219, 239, 603, 657, 717, 1809, 1971, 2151, 4891, 6453, 14673, 16013, 17447, 44019, 48039, 52341, 132057, 144117, 157023, 432351, 471069, 1168949, 3506847, 10520541, 31561623]

約数ペア:

[(1, 31561623), (3, 10520541), (9, 3506847), (27, 1168949), (67, 471069), (73, 432351), (201, 157023), (219, 144117), (239, 132057), (603, 52341), (657, 48039), (717, 44019), (1809, 17447), (1971, 16013), (2151, 14673), (4891, 6453)]