9972972

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2142

約数の個数: 36

約数和(自身を含む): 25403560

約数和(自身を除く): 15430588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 1993, 2502, 3986, 5004, 5979, 7972, 11958, 17937, 23916, 35874, 71748, 277027, 554054, 831081, 1108108, 1662162, 2493243, 3324324, 4986486, 9972972]

約数ペア:

[(1, 9972972), (2, 4986486), (3, 3324324), (4, 2493243), (6, 1662162), (9, 1108108), (12, 831081), (18, 554054), (36, 277027), (139, 71748), (278, 35874), (417, 23916), (556, 17937), (834, 11958), (1251, 7972), (1668, 5979), (1993, 5004), (2502, 3986)]