63987903

素因数分解:

$3^2\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1367}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 105850368

約数和(自身を除く): 41862465

約数列:

[1, 3, 7, 9, 21, 63, 743, 1367, 2229, 4101, 5201, 6687, 9569, 12303, 15603, 28707, 46809, 86121, 1015681, 3047043, 7109767, 9141129, 21329301, 63987903]

約数ペア:

[(1, 63987903), (3, 21329301), (7, 9141129), (9, 7109767), (21, 3047043), (63, 1015681), (743, 86121), (1367, 46809), (2229, 28707), (4101, 15603), (5201, 12303), (6687, 9569)]