7122225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 6001935

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 97, 165, 267, 275, 291, 445, 485, 825, 979, 1067, 1335, 1455, 2225, 2425, 2937, 3201, 4895, 5335, 6675, 7275, 8633, 14685, 16005, 24475, 25899, 26675, 43165, 73425, 80025, 94963, 129495, 215825, 284889, 474815, 647475, 1424445, 2374075, 7122225]

約数ペア:

[(1, 7122225), (3, 2374075), (5, 1424445), (11, 647475), (15, 474815), (25, 284889), (33, 215825), (55, 129495), (75, 94963), (89, 80025), (97, 73425), (165, 43165), (267, 26675), (275, 25899), (291, 24475), (445, 16005), (485, 14685), (825, 8633), (979, 7275), (1067, 6675), (1335, 5335), (1455, 4895), (2225, 3201), (2425, 2937)]