645732

素因数分解:

$2^2\times 3^4\times {\mathrm{1993}}^1$

素因数の和:2009

約数の個数: 30

約数和(自身を含む): 1688918

約数和(自身を除く): 1043186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1993, 3986, 5979, 7972, 11958, 17937, 23916, 35874, 53811, 71748, 107622, 161433, 215244, 322866, 645732]

約数ペア:

[(1, 645732), (2, 322866), (3, 215244), (4, 161433), (6, 107622), (9, 71748), (12, 53811), (18, 35874), (27, 23916), (36, 17937), (54, 11958), (81, 7972), (108, 5979), (162, 3986), (324, 1993)]