1900448979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{6911}}^1$

素因数の和:7579

約数の個数: 32

約数和(自身を含む): 2982002688

約数和(自身を除く): 1081553709

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 641, 1923, 6911, 7051, 8333, 20733, 21153, 24999, 76021, 89843, 91663, 228063, 269529, 274989, 988273, 2964819, 4429951, 13289853, 48729461, 57589363, 146188383, 172768089, 633482993, 1900448979]

約数ペア:

[(1, 1900448979), (3, 633482993), (11, 172768089), (13, 146188383), (33, 57589363), (39, 48729461), (143, 13289853), (429, 4429951), (641, 2964819), (1923, 988273), (6911, 274989), (7051, 269529), (8333, 228063), (20733, 91663), (21153, 89843), (24999, 76021)]