221539113

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 343429632

約数和(自身を除く): 121890519

約数列:

[1, 3, 9, 31, 41, 93, 107, 123, 181, 279, 321, 369, 543, 963, 1271, 1629, 3317, 3813, 4387, 5611, 7421, 9951, 11439, 13161, 16833, 19367, 22263, 29853, 39483, 50499, 58101, 66789, 135997, 174303, 230051, 407991, 600377, 690153, 794047, 1223973, 1801131, 2070459, 2382141, 5403393, 7146423, 24615457, 73846371, 221539113]

約数ペア:

[(1, 221539113), (3, 73846371), (9, 24615457), (31, 7146423), (41, 5403393), (93, 2382141), (107, 2070459), (123, 1801131), (181, 1223973), (279, 794047), (321, 690153), (369, 600377), (543, 407991), (963, 230051), (1271, 174303), (1629, 135997), (3317, 66789), (3813, 58101), (4387, 50499), (5611, 39483), (7421, 29853), (9951, 22263), (11439, 19367), (13161, 16833)]