161755275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 295159680

約数和(自身を除く): 133404405

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 165, 267, 275, 445, 825, 979, 1335, 2203, 2225, 2937, 4895, 6609, 6675, 11015, 14685, 24233, 24475, 33045, 55075, 72699, 73425, 121165, 165225, 196067, 363495, 588201, 605825, 980335, 1817475, 2156737, 2941005, 4901675, 6470211, 10783685, 14705025, 32351055, 53918425, 161755275]

約数ペア:

[(1, 161755275), (3, 53918425), (5, 32351055), (11, 14705025), (15, 10783685), (25, 6470211), (33, 4901675), (55, 2941005), (75, 2156737), (89, 1817475), (165, 980335), (267, 605825), (275, 588201), (445, 363495), (825, 196067), (979, 165225), (1335, 121165), (2203, 73425), (2225, 72699), (2937, 55075), (4895, 33045), (6609, 24475), (6675, 24233), (11015, 14685)]