211313925

素因数分解:

$3^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{3571}}^1$

素因数の和:3850

約数の個数: 36

約数和(自身を含む): 380032224

約数和(自身を除く): 168718299

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 263, 789, 1315, 2367, 3571, 3945, 6575, 10713, 11835, 17855, 19725, 32139, 53565, 59175, 89275, 160695, 267825, 803475, 939173, 2817519, 4695865, 8452557, 14087595, 23479325, 42262785, 70437975, 211313925]

約数ペア:

[(1, 211313925), (3, 70437975), (5, 42262785), (9, 23479325), (15, 14087595), (25, 8452557), (45, 4695865), (75, 2817519), (225, 939173), (263, 803475), (789, 267825), (1315, 160695), (2367, 89275), (3571, 59175), (3945, 53565), (6575, 32139), (10713, 19725), (11835, 17855)]