1279783881

素因数分解:

$3^4\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:516

約数の個数: 60

約数和(自身を含む): 2028663252

約数和(自身を除く): 748879371

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 279, 369, 401, 837, 961, 1107, 1203, 1271, 2511, 2883, 3321, 3609, 3813, 8649, 10827, 11439, 12431, 16441, 25947, 32481, 34317, 37293, 39401, 49323, 77841, 102951, 111879, 118203, 147969, 335637, 354609, 385361, 443907, 509671, 1006911, 1063827, 1156083, 1331721, 1529013, 3191481, 3468249, 4587039, 10404747, 13761117, 15799801, 31214241, 41283351, 47399403, 142198209, 426594627, 1279783881]

約数ペア:

[(1, 1279783881), (3, 426594627), (9, 142198209), (27, 47399403), (31, 41283351), (41, 31214241), (81, 15799801), (93, 13761117), (123, 10404747), (279, 4587039), (369, 3468249), (401, 3191481), (837, 1529013), (961, 1331721), (1107, 1156083), (1203, 1063827), (1271, 1006911), (2511, 509671), (2883, 443907), (3321, 385361), (3609, 354609), (3813, 335637), (8649, 147969), (10827, 118203), (11439, 111879), (12431, 102951), (16441, 77841), (25947, 49323), (32481, 39401), (34317, 37293)]