218399835

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{13469}}^1$

素因数の和:13547

約数の個数: 32

約数和(自身を含む): 372418560

約数和(自身を除く): 154018725

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 13469, 16215, 40407, 67345, 202035, 309787, 633043, 929361, 1548935, 1899129, 3165215, 4646805, 9495645, 14559989, 43679967, 72799945, 218399835]

約数ペア:

[(1, 218399835), (3, 72799945), (5, 43679967), (15, 14559989), (23, 9495645), (47, 4646805), (69, 3165215), (115, 1899129), (141, 1548935), (235, 929361), (345, 633043), (705, 309787), (1081, 202035), (3243, 67345), (5405, 40407), (13469, 16215)]