217407795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{1601}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 380173824

約数和(自身を除く): 162766029

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 823, 1601, 2469, 4115, 4803, 8005, 9053, 12345, 17611, 24015, 27159, 45265, 52833, 88055, 135795, 264165, 1317623, 3952869, 6588115, 14493853, 19764345, 43481559, 72469265, 217407795]

約数ペア:

[(1, 217407795), (3, 72469265), (5, 43481559), (11, 19764345), (15, 14493853), (33, 6588115), (55, 3952869), (165, 1317623), (823, 264165), (1601, 135795), (2469, 88055), (4115, 52833), (4803, 45265), (8005, 27159), (9053, 24015), (12345, 17611)]