74272515

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 121499136

約数和(自身を除く): 47226621

約数列:

[1, 3, 5, 15, 67, 201, 263, 281, 335, 789, 843, 1005, 1315, 1405, 3945, 4215, 17621, 18827, 52863, 56481, 73903, 88105, 94135, 221709, 264315, 282405, 369515, 1108545, 4951501, 14854503, 24757505, 74272515]

約数ペア:

[(1, 74272515), (3, 24757505), (5, 14854503), (15, 4951501), (67, 1108545), (201, 369515), (263, 282405), (281, 264315), (335, 221709), (789, 94135), (843, 88105), (1005, 73903), (1315, 56481), (1405, 52863), (3945, 18827), (4215, 17621)]