221517018

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{19259}}^1$

素因数の和:19344

約数の個数: 40

約数和(自身を含む): 503379360

約数和(自身を除く): 281862342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 11502, 19259, 38518, 57777, 115554, 173331, 346662, 519993, 1039986, 1367389, 1559979, 2734778, 3119958, 4102167, 8204334, 12306501, 24613002, 36919503, 73839006, 110758509, 221517018]

約数ペア:

[(1, 221517018), (2, 110758509), (3, 73839006), (6, 36919503), (9, 24613002), (18, 12306501), (27, 8204334), (54, 4102167), (71, 3119958), (81, 2734778), (142, 1559979), (162, 1367389), (213, 1039986), (426, 519993), (639, 346662), (1278, 173331), (1917, 115554), (3834, 57777), (5751, 38518), (11502, 19259)]