19802925

素因数分解:

$3^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 35709024

約数和(自身を除く): 15906099

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 283, 311, 849, 933, 1415, 1555, 2547, 2799, 4245, 4665, 7075, 7775, 12735, 13995, 21225, 23325, 63675, 69975, 88013, 264039, 440065, 792117, 1320195, 2200325, 3960585, 6600975, 19802925]

約数ペア:

[(1, 19802925), (3, 6600975), (5, 3960585), (9, 2200325), (15, 1320195), (25, 792117), (45, 440065), (75, 264039), (225, 88013), (283, 69975), (311, 63675), (849, 23325), (933, 21225), (1415, 13995), (1555, 12735), (2547, 7775), (2799, 7075), (4245, 4665)]